JP6896424B2 - パレットベースのビデオコーディングのためのカラーインデックスコーディング - Google Patents

パレットベースのビデオコーディングのためのカラーインデックスコーディング Download PDF

Info

Publication number
JP6896424B2
JP6896424B2 JP2016544071A JP2016544071A JP6896424B2 JP 6896424 B2 JP6896424 B2 JP 6896424B2 JP 2016544071 A JP2016544071 A JP 2016544071A JP 2016544071 A JP2016544071 A JP 2016544071A JP 6896424 B2 JP6896424 B2 JP 6896424B2
Authority
JP
Japan
Prior art keywords
palette
block
video
coding
video data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2016544071A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017507537A5 (enExample
JP2017507537A (ja
Inventor
プ、ウェイ
カークゼウィックズ、マルタ
ソル・ロジャルス、ジョエル
グオ、リウェイ
ジョシ、ラジャン・ラクスマン
ゾウ、フェン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2017507537A publication Critical patent/JP2017507537A/ja
Publication of JP2017507537A5 publication Critical patent/JP2017507537A5/ja
Application granted granted Critical
Publication of JP6896424B2 publication Critical patent/JP6896424B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/583Motion compensation with overlapping blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/127Prioritisation of hardware or computational resources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94Vector quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/93Run-length coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Color Television Systems (AREA)
JP2016544071A 2014-01-02 2014-12-31 パレットベースのビデオコーディングのためのカラーインデックスコーディング Active JP6896424B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201461923163P 2014-01-02 2014-01-02
US61/923,163 2014-01-02
US201461924141P 2014-01-06 2014-01-06
US61/924,141 2014-01-06
US201461969759P 2014-03-24 2014-03-24
US61/969,759 2014-03-24
US14/586,805 US9872040B2 (en) 2014-01-02 2014-12-30 Color index coding for palette-based video coding
US14/586,805 2014-12-30
PCT/US2014/072994 WO2015103390A1 (en) 2014-01-02 2014-12-31 Color index coding for palette-based video coding

Publications (3)

Publication Number Publication Date
JP2017507537A JP2017507537A (ja) 2017-03-16
JP2017507537A5 JP2017507537A5 (enExample) 2018-01-25
JP6896424B2 true JP6896424B2 (ja) 2021-06-30

Family

ID=53483429

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2016544069A Active JP6556732B2 (ja) 2014-01-02 2014-12-31 パレットベースのビデオコーディングのためのカラーインデックスコーディング
JP2016544071A Active JP6896424B2 (ja) 2014-01-02 2014-12-31 パレットベースのビデオコーディングのためのカラーインデックスコーディング

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2016544069A Active JP6556732B2 (ja) 2014-01-02 2014-12-31 パレットベースのビデオコーディングのためのカラーインデックスコーディング

Country Status (10)

Country Link
US (2) US10362333B2 (enExample)
EP (2) EP3090552B1 (enExample)
JP (2) JP6556732B2 (enExample)
KR (2) KR102305988B1 (enExample)
CN (2) CN105874796B (enExample)
BR (2) BR112016015546B1 (enExample)
CA (1) CA2930174C (enExample)
ES (1) ES2702909T3 (enExample)
HU (1) HUE040502T2 (enExample)
WO (2) WO2015103390A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023182697A1 (ko) * 2022-03-22 2023-09-28 현대자동차주식회사 인접 정보 기반 팔레트 모드를 이용하는 비디오 코딩을 위한 방법 및 장치

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015054812A1 (en) * 2013-10-14 2015-04-23 Microsoft Technology Licensing, Llc Features of base color index map mode for video and image coding and decoding
US10362333B2 (en) * 2014-01-02 2019-07-23 Qualcomm Incorporated Color index coding for palette-based video coding
US9699468B2 (en) * 2014-02-10 2017-07-04 Microsoft Technology Licensing, Llc Adaptive screen and video coding scheme
US10542274B2 (en) 2014-02-21 2020-01-21 Microsoft Technology Licensing, Llc Dictionary encoding and decoding of screen content
US9560364B2 (en) * 2014-02-25 2017-01-31 Fingram Co., Ltd. Encoding image data with quantizing and inverse-quantizing pixel values
EP4087247A1 (en) 2014-02-26 2022-11-09 Dolby Laboratories Licensing Corp. Luminance based coding tools for video compression
KR102268090B1 (ko) 2014-03-14 2021-06-23 브이아이디 스케일, 인크. 스크린 콘텐츠 코딩을 위한 팔레트 코딩
US20150326864A1 (en) * 2014-05-09 2015-11-12 Nokia Technologies Oy Method and technical equipment for video encoding and decoding
US10750198B2 (en) 2014-05-22 2020-08-18 Qualcomm Incorporated Maximum palette parameters in palette-based video coding
US10264285B2 (en) 2014-05-22 2019-04-16 Qualcomm Incorporated Coding runs in palette-based video coding
US10038915B2 (en) * 2014-05-22 2018-07-31 Qualcomm Incorporated Escape sample coding in palette-based video coding
CA2948683C (en) * 2014-05-23 2019-05-21 Hfi Innovation Inc. Methods for palette size signaling and conditional palette escape flag signaling
WO2015180052A1 (zh) * 2014-05-28 2015-12-03 北京大学深圳研究生院 一种基于字典库的视频编解码方法及装置
CN105323583B (zh) * 2014-06-13 2019-11-15 财团法人工业技术研究院 编码方法、解码方法、编解码系统、编码器与解码器
KR101953482B1 (ko) * 2014-07-07 2019-02-28 에이치에프아이 이노베이션 인크. 인덱스 맵 부호화의 예측자로서 이스케이프 픽셀을 취급하는 방법
RU2679201C2 (ru) 2014-09-30 2019-02-06 МАЙКРОСОФТ ТЕКНОЛОДЖИ ЛАЙСЕНСИНГ, ЭлЭлСи Правила для режимов внутрикадрового прогнозирования, когда активируется волновая параллельная обработка данных
US9807402B2 (en) 2014-10-06 2017-10-31 Industrial Technology Research Institute Method of color palette coding applicable to electronic device and electronic device using the same
CN107211134B (zh) * 2015-01-29 2020-05-29 Vid拓展公司 用于调色编码模式的逃逸色彩编码
US9729885B2 (en) * 2015-02-11 2017-08-08 Futurewei Technologies, Inc. Apparatus and method for compressing color index map
US10659783B2 (en) 2015-06-09 2020-05-19 Microsoft Technology Licensing, Llc Robust encoding/decoding of escape-coded pixels in palette mode
GB2539486B (en) * 2015-06-18 2019-07-31 Gurulogic Microsystems Oy Encoder, decoder and method employing palette compression
US10097842B2 (en) * 2015-09-18 2018-10-09 Qualcomm Incorporated Restriction of escape pixel signaled values in palette mode video coding
WO2018018486A1 (en) 2016-07-28 2018-02-01 Mediatek Inc. Methods of reference quantization parameter derivation for signaling of quantization parameter in quad-tree plus binary tree structure
US10375398B2 (en) 2017-03-24 2019-08-06 Google Llc Lightfield compression for per-pixel, on-demand access by a graphics processing unit
EP3673657B1 (en) 2017-08-22 2025-04-02 Panasonic Intellectual Property Corporation of America Image decoder and image decoding method
US10659794B2 (en) * 2018-03-06 2020-05-19 Mediatek Inc. Apparatus and method for palette decoding
DE102018112215B3 (de) * 2018-04-30 2019-07-25 Basler Ag Quantisiererbestimmung, computerlesbares Medium und Vorrichtung, die mindestens zwei Quantisierer implementiert
CN112219399B (zh) * 2018-07-04 2025-01-24 阿里巴巴集团控股有限公司 视频压缩系统中基于调色板的残差编码
SG11202111156PA (en) * 2019-04-26 2021-11-29 Huawei Tech Co Ltd Method and apparatus for signaling of mapping function of chroma quantization parameter
WO2021040488A1 (ko) * 2019-08-29 2021-03-04 엘지전자 주식회사 팔레트 모드에서의 이스케이프 이진화 기반 영상 또는 비디오 코딩
WO2021040459A1 (ko) * 2019-08-30 2021-03-04 주식회사 케이티 비디오 신호 처리 방법 및 장치
JP7358136B2 (ja) 2019-09-17 2023-10-10 キヤノン株式会社 画像符号化装置、画像符号化方法、及びプログラム、画像復号装置、画像復号方法、及びプログラム
US11323711B2 (en) * 2019-09-20 2022-05-03 Alibaba Group Holding Limited Method and system for signaling chroma quantization parameter offset
US11076151B2 (en) 2019-09-30 2021-07-27 Ati Technologies Ulc Hierarchical histogram calculation with application to palette table derivation
EP4026326A4 (en) * 2019-10-10 2022-11-30 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of video coding using palette mode
CN115023952A (zh) * 2019-11-01 2022-09-06 北京达佳互联信息技术有限公司 残差和系数编解码的方法和装置
WO2021112949A1 (en) 2019-12-03 2021-06-10 Alibaba Group Holding Limited Video processing method and apparatus for using palette mode
CN115086664A (zh) * 2021-03-13 2022-09-20 腾讯科技(深圳)有限公司 未匹配像素的解码方法、编码方法、解码器以及编码器
CN114374847B (zh) * 2022-01-17 2024-06-25 海宁奕斯伟集成电路设计有限公司 图像压缩方法、装置、设备及计算机可读存储介质
CN117834892A (zh) 2022-09-29 2024-04-05 腾讯科技(深圳)有限公司 视频编码方法和装置、计算设备、存储介质及程序产品

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0674448B1 (en) 1994-03-25 2002-01-09 Nec Corporation Video image reproduction with high speed
JPH1188700A (ja) * 1997-09-04 1999-03-30 Hitachi Ltd カラー画像信号の符号化方法、復号化方法およびカラー画像処理装置
DE19817720A1 (de) * 1998-04-21 1999-10-28 Heidelberger Druckmasch Ag Verfahren zur Bilddatenkomprimierung für Zwei-Farben-Bilder
US6411730B1 (en) 1999-01-15 2002-06-25 Adobe Systems Incorporated Histogram for generating a palette of colors
US7050492B1 (en) 1999-07-12 2006-05-23 Pixelon.Com, Inc. Matching of a reduced spectrum lighting source with video encoding program variables for increased data compression ratios
US6466274B1 (en) 1999-11-08 2002-10-15 Corporate Media Partners System and method for color palette translation
US6801220B2 (en) 2001-01-26 2004-10-05 International Business Machines Corporation Method and apparatus for adjusting subpixel intensity values based upon luminance characteristics of the subpixels for improved viewing angle characteristics of liquid crystal displays
US7136533B2 (en) 2002-12-19 2006-11-14 Hewlett-Packard Development Company, L.P. Color image compression with adaptive prediction
RU2376659C2 (ru) 2004-03-26 2009-12-20 ЭлДжи ЭЛЕКТРОНИКС ИНК. Носитель записи и способ и устройство для воспроизведения потока текстовых субтитров, записанного на носителе записи
JP2010045589A (ja) * 2008-08-12 2010-02-25 Ricoh Co Ltd 画像処理装置、画像処理方法およびプログラム
US8259816B2 (en) 2009-03-12 2012-09-04 MIST Innovations, Inc. System and method for streaming video to a mobile device
US20110119716A1 (en) 2009-03-12 2011-05-19 Mist Technology Holdings, Inc. System and Method for Video Distribution Management with Mobile Services
JP2011166213A (ja) * 2010-02-04 2011-08-25 Canon Inc 画像処理装置
JP5614122B2 (ja) 2010-06-21 2014-10-29 富士ゼロックス株式会社 画像データ復号装置
US8976861B2 (en) * 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
MX2013008756A (es) 2011-01-28 2014-02-28 Eye Io Llc Conversion de color basada en modelo hvs.
US8582876B2 (en) 2011-11-15 2013-11-12 Microsoft Corporation Hybrid codec for compound image compression
US10972742B2 (en) 2013-12-19 2021-04-06 Canon Kabushiki Kaisha Encoding process using a palette mode
US10362333B2 (en) * 2014-01-02 2019-07-23 Qualcomm Incorporated Color index coding for palette-based video coding
US9699468B2 (en) * 2014-02-10 2017-07-04 Microsoft Technology Licensing, Llc Adaptive screen and video coding scheme
KR101683175B1 (ko) 2014-03-06 2016-12-06 삼성전자주식회사 영상 복호화 방법 및 그 장치, 영상 부호화 방법 및 그 장치
US10091512B2 (en) 2014-05-23 2018-10-02 Futurewei Technologies, Inc. Advanced screen content coding with improved palette table and index map coding methods
JP6532222B2 (ja) * 2014-11-28 2019-06-19 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023182697A1 (ko) * 2022-03-22 2023-09-28 현대자동차주식회사 인접 정보 기반 팔레트 모드를 이용하는 비디오 코딩을 위한 방법 및 장치

Also Published As

Publication number Publication date
BR112016015432A2 (pt) 2017-08-08
BR112016015546A2 (pt) 2017-08-08
JP2017501641A (ja) 2017-01-12
KR20160102072A (ko) 2016-08-26
CN105874796B (zh) 2018-10-02
CN106068648A (zh) 2016-11-02
KR20160102071A (ko) 2016-08-26
EP3090552A2 (en) 2016-11-09
WO2015103392A3 (en) 2015-09-03
CN106068648B (zh) 2019-01-11
KR102305988B1 (ko) 2021-09-27
CA2930174A1 (en) 2015-07-09
BR112016015546B1 (pt) 2023-03-28
US20150189302A1 (en) 2015-07-02
EP3090552B1 (en) 2018-09-26
US10362333B2 (en) 2019-07-23
HUE040502T2 (hu) 2019-03-28
CN105874796A (zh) 2016-08-17
WO2015103390A1 (en) 2015-07-09
WO2015103392A2 (en) 2015-07-09
KR101977450B1 (ko) 2019-05-10
CA2930174C (en) 2020-02-25
EP3090554A1 (en) 2016-11-09
ES2702909T3 (es) 2019-03-06
US9872040B2 (en) 2018-01-16
JP6556732B2 (ja) 2019-08-07
JP2017507537A (ja) 2017-03-16
US20150189319A1 (en) 2015-07-02

Similar Documents

Publication Publication Date Title
JP6896424B2 (ja) パレットベースのビデオコーディングのためのカラーインデックスコーディング
KR102574560B1 (ko) 비디오 코딩을 위해 액세스하는 샘플을 갖는 선형 모델 예측 모드
JP6827944B2 (ja) 線形モデル予測モードのためのダウンサンプリングプロセス
KR102833527B1 (ko) 팔레트 모드 비디오 코딩에서의 이스케이프 픽셀 시그널링된 값들의 제한
JP6625644B2 (ja) サブサンプリングフォーマットのためのパレットモード
JP6782704B2 (ja) ビデオコーディングのためのパレットインデックスのグループ化
JP6640105B2 (ja) ビデオコーディングにおけるパレットサイズ、パレットエントリ、およびパレットコード化ブロックのフィルタリングの決定
JP6749925B2 (ja) ビデオコーディングにおけるパレットブロックサイズに対する制限
US9900617B2 (en) Single color palette mode in video coding
KR102252843B1 (ko) 팔레트-기반 비디오 코딩에서 팔레트들의 결정
KR102338145B1 (ko) 팔레트 모드 인코딩 및 디코딩 설계
EA035170B1 (ru) Система и способ кодирования и декодирования видеоданных в режиме палитры
WO2016049440A1 (en) Parsing dependency reduction for palette index coding
US9961351B2 (en) Palette mode coding
CN107124915A (zh) 用于调色板模式译码的对角线副本

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20171211

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20171211

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20181113

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20181127

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20190227

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190426

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20190618

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190906

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20191001

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200106

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20200204

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200604

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20200604

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20200615

C21 Notice of transfer of a case for reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20200616

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20200703

C211 Notice of termination of reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C211

Effective date: 20200707

C22 Notice of designation (change) of administrative judge

Free format text: JAPANESE INTERMEDIATE CODE: C22

Effective date: 20201013

C22 Notice of designation (change) of administrative judge

Free format text: JAPANESE INTERMEDIATE CODE: C22

Effective date: 20201215

C13 Notice of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: C13

Effective date: 20201222

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210322

C23 Notice of termination of proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C23

Effective date: 20210330

C03 Trial/appeal decision taken

Free format text: JAPANESE INTERMEDIATE CODE: C03

Effective date: 20210511

C30A Notification sent

Free format text: JAPANESE INTERMEDIATE CODE: C3012

Effective date: 20210511

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210609

R150 Certificate of patent or registration of utility model

Ref document number: 6896424

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250