JP7241680B2 - ビデオコーディングにおけるイントラ予測のための改善された補間フィルタ - Google Patents

ビデオコーディングにおけるイントラ予測のための改善された補間フィルタ Download PDF

Info

Publication number
JP7241680B2
JP7241680B2 JP2019516387A JP2019516387A JP7241680B2 JP 7241680 B2 JP7241680 B2 JP 7241680B2 JP 2019516387 A JP2019516387 A JP 2019516387A JP 2019516387 A JP2019516387 A JP 2019516387A JP 7241680 B2 JP7241680 B2 JP 7241680B2
Authority
JP
Japan
Prior art keywords
block
video
prediction
video data
blocks
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
JP2019516387A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019530351A5 (enExample
JP2019530351A (ja
Inventor
ジャオ、シン
セレジン、バディム
ジャン、リ
カルチェビチ、マルタ
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 JP2019530351A publication Critical patent/JP2019530351A/ja
Publication of JP2019530351A5 publication Critical patent/JP2019530351A5/ja
Application granted granted Critical
Publication of JP7241680B2 publication Critical patent/JP7241680B2/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
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2019516387A 2016-09-28 2017-09-20 ビデオコーディングにおけるイントラ予測のための改善された補間フィルタ Active JP7241680B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662401067P 2016-09-28 2016-09-28
US62/401,067 2016-09-28
US15/709,270 US10382781B2 (en) 2016-09-28 2017-09-19 Interpolation filters for intra prediction in video coding
US15/709,270 2017-09-19
PCT/US2017/052485 WO2018063886A1 (en) 2016-09-28 2017-09-20 Improved interpolation filters for intra prediction in video coding

Publications (3)

Publication Number Publication Date
JP2019530351A JP2019530351A (ja) 2019-10-17
JP2019530351A5 JP2019530351A5 (enExample) 2020-04-30
JP7241680B2 true JP7241680B2 (ja) 2023-03-17

Family

ID=61687006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019516387A Active JP7241680B2 (ja) 2016-09-28 2017-09-20 ビデオコーディングにおけるイントラ予測のための改善された補間フィルタ

Country Status (7)

Country Link
US (1) US10382781B2 (enExample)
EP (1) EP3520401A1 (enExample)
JP (1) JP7241680B2 (enExample)
KR (1) KR102155974B1 (enExample)
CN (1) CN109716765B (enExample)
BR (1) BR112019006196A2 (enExample)
WO (1) WO2018063886A1 (enExample)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10841593B2 (en) 2015-06-18 2020-11-17 Qualcomm Incorporated Intra prediction and intra mode coding
US11463689B2 (en) 2015-06-18 2022-10-04 Qualcomm Incorporated Intra prediction and intra mode coding
US10873746B2 (en) * 2016-12-21 2020-12-22 Sharp Kabushiki Kaisha Intra prediction image generation device using cross-component liner model, image decoding apparatus, and image coding apparatus using same
US10638126B2 (en) * 2017-05-05 2020-04-28 Qualcomm Incorporated Intra reference filter for video coding
CN114286109B (zh) 2017-05-31 2025-01-03 Lg电子株式会社 图像编码系统中基于帧内预测执行图像解码的方法和设备
WO2019070770A1 (en) * 2017-10-02 2019-04-11 Arris Enterprises Llc SYSTEM AND METHOD FOR REDUCING BLOCKED ARTIFACTS AND PRODUCING ENHANCED ENCODING EFFICIENCY
CN111247796B (zh) * 2017-10-20 2022-11-04 韩国电子通信研究院 图像编码/解码方法和装置以及存储比特流的记录介质
GB2567862A (en) * 2017-10-27 2019-05-01 Sony Corp Image data encoding and decoding
SG11202003260WA (en) * 2017-11-07 2020-05-28 Huawei Tech Co Ltd Interpolation filter for an inter prediction apparatus and method for video coding
EP3720129A4 (en) * 2017-11-29 2021-08-25 Electronics and Telecommunications Research Institute IMAGE ENCODING / DECODING METHOD AND DEVICE WITH APPLICATION FOR IN-LOOP FILTRATION
CN118474359A (zh) 2018-04-01 2024-08-09 有限公司B1影像技术研究所 图像编码/解码方法、介质和传输比特流的方法
US11611757B2 (en) * 2018-04-02 2023-03-21 Qualcomm Incorproated Position dependent intra prediction combination extended with angular modes
CN117528086A (zh) 2018-05-14 2024-02-06 英迪股份有限公司 对图像进行解码和编码的方法、非暂态计算机可读介质
US11025946B2 (en) * 2018-06-14 2021-06-01 Tencent America LLC Method and apparatus for video coding
IL312272B2 (en) 2018-06-25 2025-12-01 Guangdong Oppo Mobile Telecommunications Corp Ltd Intra-frame prediction method and device
CN113243106B (zh) * 2018-06-29 2022-11-01 华为技术有限公司 一种用于视频图像的预测块的帧内预测的设备和方法
SG11202012838SA (en) * 2018-06-29 2021-01-28 Huawei Tech Co Ltd Device and method for intra-prediction
CN119583794A (zh) * 2018-06-29 2025-03-07 弗劳恩霍夫应用研究促进协会 扩展参考图像内预测
US11277644B2 (en) * 2018-07-02 2022-03-15 Qualcomm Incorporated Combining mode dependent intra smoothing (MDIS) with intra interpolation filter switching
BR112021000694A2 (pt) 2018-07-16 2021-04-13 Huawei Technologies Co., Ltd. Codificador de vídeo, decodificador de vídeo, e métodos de codificação e decodificação correspondentes
WO2020034247A1 (en) * 2018-08-24 2020-02-20 Zte Corporation Planar prediction mode for visual media encoding and decoding
US10834393B2 (en) * 2018-09-10 2020-11-10 Tencent America LLC Intra interpolation filter for multi-line intra prediction
WO2020055208A1 (ko) * 2018-09-14 2020-03-19 엘지전자 주식회사 인트라 예측을 수행하는 영상 예측 방법 및 장치
IL281544B2 (en) * 2018-09-16 2024-12-01 Huawei Tech Co Ltd " methods and apparatus of video coding for performing intra-prediction processing, and computer program product"
CN119496891B (zh) * 2018-09-23 2025-10-28 华为技术有限公司 用于帧内参考样本插值滤波器切换的方法和装置
CN117041553A (zh) * 2018-10-06 2023-11-10 华为技术有限公司 使用插值滤波器进行帧内预测的方法和装置
US11303885B2 (en) 2018-10-25 2022-04-12 Qualcomm Incorporated Wide-angle intra prediction smoothing and interpolation
CN112913244A (zh) * 2018-11-05 2021-06-04 交互数字Vc控股公司 使用用于重叠块运动补偿的块扩展的视频编码或解码
EP3861738A4 (en) 2018-11-06 2022-01-26 Beijing Bytedance Network Technology Co., Ltd. POSITION-BASED INTRA PREDICTION
US11438583B2 (en) * 2018-11-27 2022-09-06 Tencent America LLC Reference sample filter selection in intra prediction
CN113170122B (zh) 2018-12-01 2023-06-27 北京字节跳动网络技术有限公司 帧内预测的参数推导
CN113170168B (zh) 2018-12-07 2023-12-08 北京字节跳动网络技术有限公司 基于上下文的帧内预测
US11095921B2 (en) * 2018-12-18 2021-08-17 Tencent America LLC Method and apparatus for video encoding or decoding
JP7293361B2 (ja) * 2018-12-21 2023-06-19 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 予測コーディングのための補間フィルタ処理の方法および装置
WO2020168508A1 (zh) * 2019-02-21 2020-08-27 富士通株式会社 参考像素的自适应滤波方法及装置、电子设备
WO2020169101A1 (en) * 2019-02-22 2020-08-27 Beijing Bytedance Network Technology Co., Ltd. Neighbouring sample selection for intra prediction
PH12021551868A1 (en) 2019-02-24 2022-05-23 Beijing Bytedance Network Tech Co Ltd Parameter derivation for intra prediction
EP3932074B9 (en) * 2019-03-11 2024-07-24 Huawei Technologies Co., Ltd. Interpolation filter clipping for sub-picture motion vectors
CN118945338A (zh) * 2019-03-12 2024-11-12 Lg 电子株式会社 图像编码/解码方法和装置,以及发送比特流的方法
CN113767631B (zh) 2019-03-24 2023-12-15 北京字节跳动网络技术有限公司 用于帧内预测的参数推导中的条件
JP7391991B2 (ja) * 2019-03-28 2023-12-05 ホアウェイ・テクノロジーズ・カンパニー・リミテッド イントラ平滑化のための方法および装置
AU2020250609B2 (en) 2019-04-01 2023-09-07 Beijing Bytedance Network Technology Co., Ltd. Using interpolation filters for history based motion vector prediction
KR20240091033A (ko) 2019-05-02 2024-06-21 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 다중 레퍼런스 필터를 사용한 인트라 비디오 코딩
WO2020228761A1 (en) * 2019-05-14 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Filter selection for intra video coding
JP7433346B2 (ja) 2019-06-14 2024-02-19 北京字節跳動網絡技術有限公司 ビデオ単位境界および仮想境界の処理
WO2020256483A1 (ko) * 2019-06-21 2020-12-24 삼성전자 주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
WO2020259263A1 (en) 2019-06-25 2020-12-30 Zhejiang Dahua Technology Co., Ltd. Systems and methods for image coding
GB2585039A (en) 2019-06-25 2020-12-30 Sony Corp Image data encoding and decoding
JP7361196B2 (ja) 2019-07-15 2023-10-13 北京字節跳動網絡技術有限公司 適応ループ・フィルタリングにおける分類
CN117499659A (zh) 2019-07-25 2024-02-02 北京字节跳动网络技术有限公司 帧内块复制虚拟缓冲区的尺寸限制
PH12022550183A1 (en) * 2019-07-25 2023-01-16 Beijing Bytedance Network Tech Co Ltd Mapping restriction for intra-block copy virtual buffer
EP3997881A4 (en) 2019-08-20 2022-09-14 Beijing Bytedance Network Technology Co., Ltd. SELECTIVE USE OF ALTERNATIVE INTERPOLATION FILTERS IN VIDEO PROCESSING
WO2021043157A1 (en) 2019-09-02 2021-03-11 Beijing Bytedance Network Technology Co., Ltd. Coding mode determination based on color format
WO2021043299A1 (en) 2019-09-05 2021-03-11 Beijing Bytedance Network Technology Co., Ltd. Range constrains for block vector in intra-block copy mode
EP4032267A1 (en) * 2019-09-18 2022-07-27 VID SCALE, Inc. Adaptive interpolation filter for motion compensation
JP7328445B2 (ja) 2019-09-19 2023-08-16 北京字節跳動網絡技術有限公司 ビデオコーディングにおける参照サンプル位置の導出
KR102649584B1 (ko) 2019-09-21 2024-03-21 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 크로마 인트라 모드에 기초한 크기 제한
WO2021052508A1 (en) 2019-09-22 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Padding process in adaptive loop filtering
WO2021057751A1 (en) 2019-09-23 2021-04-01 Beijing Bytedance Network Technology Co., Ltd. Setting intra-block copy virtual buffer based on virtual pipeline data unit
WO2021068956A1 (en) 2019-10-12 2021-04-15 Beijing Bytedance Network Technology Co., Ltd. Prediction type signaling in video coding
WO2021073488A1 (en) 2019-10-13 2021-04-22 Beijing Bytedance Network Technology Co., Ltd. Interplay between reference picture resampling and video coding tools
US11463688B2 (en) * 2019-12-09 2022-10-04 Qualcomm Incorporated Joint chroma residual video coding
US11425420B2 (en) * 2019-12-27 2022-08-23 Qualcomm Incorporated Wraparound offsets for reference picture resampling in video coding
KR102922307B1 (ko) 2019-12-27 2026-02-05 두인 비전 컴퍼니 리미티드 비디오 픽처 헤더의 슬라이스 유형의 시그널링
WO2021185306A1 (en) 2020-03-18 2021-09-23 Beijing Bytedance Network Technology Co., Ltd. Intra block copy buffer and palette predictor update
EP4118831A4 (en) 2020-04-10 2023-12-27 Beijing Bytedance Network Technology Co., Ltd. MINIMUM ALLOWED QUANTIFICATION FOR TRANSFORM JUMP BLOCKS IN VIDEO CODING
US11611770B2 (en) * 2020-10-14 2023-03-21 Tencent America LLC Method and apparatus for video coding
EP4226609A1 (en) * 2020-12-18 2023-08-16 Huawei Technologies Co., Ltd. A method and apparatus for encoding a picture and decoding a bitstream using a neural network
KR20230123949A (ko) * 2020-12-22 2023-08-24 퀄컴 인코포레이티드 인핸스드 보간 필터들을 사용한 인트라 예측
US11924415B2 (en) * 2021-05-11 2024-03-05 Tencent America LLC Method and apparatus for boundary handling in video coding
CN117813818A (zh) * 2021-08-18 2024-04-02 Lg 电子株式会社 基于帧内预测模式执行参考样本滤波的图像编码/解码方法和装置以及用于发送比特的方法
EP4512075A4 (en) * 2022-04-21 2026-04-29 Guangdong Oppo Mobile Telecommunications Corp Ltd REFERENCE IMAGE RESAMPLING FOR VIDEO ENCODING
CN121924256A (zh) * 2024-10-23 2026-04-24 维沃移动通信有限公司 帧内预测方法、装置及电子设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013090120A (ja) 2011-10-18 2013-05-13 Nippon Telegr & Teleph Corp <Ntt> 画像符号化方法,画像復号方法,画像符号化装置,画像復号装置およびそれらのプログラム
JP2013098957A (ja) 2011-11-07 2013-05-20 Nippon Telegr & Teleph Corp <Ntt> 画像符号化方法,画像復号方法,画像符号化装置,画像復号装置およびそれらのプログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8831086B2 (en) * 2008-04-10 2014-09-09 Qualcomm Incorporated Prediction techniques for interpolation in video coding
JP2011050001A (ja) * 2009-08-28 2011-03-10 Sony Corp 画像処理装置および方法
US20120183041A1 (en) 2011-01-14 2012-07-19 Sony Corporation Interpolation filter for intra prediction of hevc
US10321151B2 (en) * 2014-04-01 2019-06-11 Mediatek Inc. Method of adaptive interpolation filtering in video coding
CN108353164B (zh) * 2015-09-11 2022-06-24 株式会社Kt 用于处理视频信号的方法和设备

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013090120A (ja) 2011-10-18 2013-05-13 Nippon Telegr & Teleph Corp <Ntt> 画像符号化方法,画像復号方法,画像符号化装置,画像復号装置およびそれらのプログラム
JP2013098957A (ja) 2011-11-07 2013-05-20 Nippon Telegr & Teleph Corp <Ntt> 画像符号化方法,画像復号方法,画像符号化装置,画像復号装置およびそれらのプログラム

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Jianle Chen et al., "Algorithm Description of Joint Exploration Test Model 3", Joint Video Exploration Team (JVET) of ITU-T SG16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 3rd Meeting:Geneva,CH,26 May - 1 June 2016、Document:JVET-C1003_v3,2016-07-06,pp.8-9
Shohei Matsuo et al., "Improved intra angular prediction by DCT-based interpolation filter", 2012 Proc. of the 20th European Signal Processing Conf. (EUSIPCO 2012), IEEE, 27 Aug. 2012

Also Published As

Publication number Publication date
CN109716765A (zh) 2019-05-03
KR20190049755A (ko) 2019-05-09
WO2018063886A9 (en) 2019-03-21
WO2018063886A1 (en) 2018-04-05
US10382781B2 (en) 2019-08-13
EP3520401A1 (en) 2019-08-07
CN109716765B (zh) 2021-05-25
KR102155974B1 (ko) 2020-09-14
JP2019530351A (ja) 2019-10-17
BR112019006196A2 (pt) 2019-06-18
US20180091825A1 (en) 2018-03-29

Similar Documents

Publication Publication Date Title
KR102155974B1 (ko) 비디오 코딩에서 인트라 예측을 위한 개선된 보간 필터들
AU2023202344B2 (en) Position dependent intra prediction combination extended with angular modes
TWI763935B (zh) 在視訊寫碼中與位置相依之預測組合
US11431968B2 (en) Variable number of intra modes for video coding
KR102048169B1 (ko) 비디오 코딩에서 비-스퀘어 변환 유닛들에 대한 변환 계수들의 수정
JP2025063055A (ja) ビデオコーディングにおける改善されたイントラ予測
JP2020503815A (ja) ビデオコーディングのためのイントラ予測技法
KR20160135226A (ko) 비디오 코딩에서 인트라 블록 카피를 위한 검색 영역 결정
WO2015038928A1 (en) Partial intra block copying for video coding
HK40052982A (en) Spatio-temporal motion vector prediction patterns for video coding

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200318

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200318

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20200318

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20200806

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20200807

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200825

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20201125

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210224

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210513

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20210608

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211008

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

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20211008

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

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20211018

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

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20211019

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

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20211119

C211 Notice of termination of reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C211

Effective date: 20211124

C22 Notice of designation (change) of administrative judge

Free format text: JAPANESE INTERMEDIATE CODE: C22

Effective date: 20220510

C13 Notice of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: C13

Effective date: 20220823

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221114

C302 Record of communication

Free format text: JAPANESE INTERMEDIATE CODE: C302

Effective date: 20221206

C13 Notice of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: C13

Effective date: 20221213

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221220

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20230104

C23 Notice of termination of proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C23

Effective date: 20230117

C03 Trial/appeal decision taken

Free format text: JAPANESE INTERMEDIATE CODE: C03

Effective date: 20230214

C30A Notification sent

Free format text: JAPANESE INTERMEDIATE CODE: C3012

Effective date: 20230214

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230307

R150 Certificate of patent or registration of utility model

Ref document number: 7241680

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250