JP7185070B2 - デコーダが実行するビデオ復号の方法、装置およびコンピュータプログラム - Google Patents

デコーダが実行するビデオ復号の方法、装置およびコンピュータプログラム Download PDF

Info

Publication number
JP7185070B2
JP7185070B2 JP2021558683A JP2021558683A JP7185070B2 JP 7185070 B2 JP7185070 B2 JP 7185070B2 JP 2021558683 A JP2021558683 A JP 2021558683A JP 2021558683 A JP2021558683 A JP 2021558683A JP 7185070 B2 JP7185070 B2 JP 7185070B2
Authority
JP
Japan
Prior art keywords
palette
block
video
prediction
encoded
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
JP2021558683A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022525430A (ja
Inventor
シャオジョン・シュ
シャン・リュウ
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.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Publication of JP2022525430A publication Critical patent/JP2022525430A/ja
Priority to JP2022186570A priority Critical patent/JP7362878B2/ja
Application granted granted Critical
Publication of JP7185070B2 publication Critical patent/JP7185070B2/ja
Priority to JP2023172139A priority patent/JP7571243B2/ja
Priority to JP2024171781A priority patent/JP7769072B2/ja
Priority to JP2024177335A priority patent/JP2024180482A/ja
Priority to JP2025183281A priority patent/JP2026016661A/ja
Priority to JP2025183282A priority patent/JP2026016662A/ja
Priority to JP2025183280A priority patent/JP2026016660A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods 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
    • H04N19/17—Methods 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
    • H04N19/174—Methods 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 slice, e.g. a line of blocks or a group of blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods 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
    • H04N19/17—Methods 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
    • H04N19/176—Methods 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods 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
    • H04N19/184—Methods 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 bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods 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
    • H04N19/186—Methods 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 colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods 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
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2021558683A 2020-01-20 2021-01-13 デコーダが実行するビデオ復号の方法、装置およびコンピュータプログラム Active JP7185070B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2022186570A JP7362878B2 (ja) 2020-01-20 2022-11-22 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2023172139A JP7571243B2 (ja) 2020-01-20 2023-10-03 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2024171781A JP7769072B2 (ja) 2020-01-20 2024-09-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2024177335A JP2024180482A (ja) 2020-01-20 2024-10-09 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2025183281A JP2026016661A (ja) 2020-01-20 2025-10-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2025183282A JP2026016662A (ja) 2020-01-20 2025-10-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2025183280A JP2026016660A (ja) 2020-01-20 2025-10-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202062963216P 2020-01-20 2020-01-20
US62/963,216 2020-01-20
US17/097,415 US11184632B2 (en) 2020-01-20 2020-11-13 Method and apparatus for palette based coding mode under local dual tree structure
US17/097,415 2020-11-13
PCT/US2021/013264 WO2021150407A1 (en) 2020-01-20 2021-01-13 Method and apparatus for palette based coding mode under local dual tree structure

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022186570A Division JP7362878B2 (ja) 2020-01-20 2022-11-22 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置

Publications (2)

Publication Number Publication Date
JP2022525430A JP2022525430A (ja) 2022-05-13
JP7185070B2 true JP7185070B2 (ja) 2022-12-06

Family

ID=76858075

Family Applications (8)

Application Number Title Priority Date Filing Date
JP2021558683A Active JP7185070B2 (ja) 2020-01-20 2021-01-13 デコーダが実行するビデオ復号の方法、装置およびコンピュータプログラム
JP2022186570A Active JP7362878B2 (ja) 2020-01-20 2022-11-22 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2023172139A Active JP7571243B2 (ja) 2020-01-20 2023-10-03 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2024171781A Active JP7769072B2 (ja) 2020-01-20 2024-09-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2024177335A Pending JP2024180482A (ja) 2020-01-20 2024-10-09 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2025183282A Pending JP2026016662A (ja) 2020-01-20 2025-10-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2025183280A Pending JP2026016660A (ja) 2020-01-20 2025-10-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2025183281A Pending JP2026016661A (ja) 2020-01-20 2025-10-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置

Family Applications After (7)

Application Number Title Priority Date Filing Date
JP2022186570A Active JP7362878B2 (ja) 2020-01-20 2022-11-22 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2023172139A Active JP7571243B2 (ja) 2020-01-20 2023-10-03 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2024171781A Active JP7769072B2 (ja) 2020-01-20 2024-09-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2024177335A Pending JP2024180482A (ja) 2020-01-20 2024-10-09 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2025183282A Pending JP2026016662A (ja) 2020-01-20 2025-10-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2025183280A Pending JP2026016660A (ja) 2020-01-20 2025-10-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置
JP2025183281A Pending JP2026016661A (ja) 2020-01-20 2025-10-30 ローカルデュアルツリー構造の下でのパレットベースの符号化モードのための方法および装置

Country Status (9)

Country Link
US (3) US11184632B2 (https=)
EP (1) EP4094439A4 (https=)
JP (8) JP7185070B2 (https=)
KR (3) KR20260041922A (https=)
CN (3) CN118646886A (https=)
AU (4) AU2021211618B2 (https=)
CA (1) CA3137931A1 (https=)
SG (1) SG11202111832VA (https=)
WO (1) WO2021150407A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250040743A (ko) 2019-05-31 2025-03-24 바이트댄스 아이엔씨 인트라 블록 복사 예측을 갖는 팔레트 모드
WO2020264457A1 (en) 2019-06-28 2020-12-30 Bytedance Inc. Techniques for modifying quantization parameter in transform skip mode
JP7309046B2 (ja) 2019-09-02 2023-07-14 北京字節跳動網絡技術有限公司 カラーフォーマットに基づいたビデオ領域のパーティション
JP7332795B2 (ja) 2019-09-21 2023-08-23 北京字節跳動網絡技術有限公司 クロマ・イントラモードのベースとなるサイズ制約
JP7451731B2 (ja) 2020-02-05 2024-03-18 北京字節跳動網絡技術有限公司 クロマ成分のためのデブロッキングパラメータ
CN117376567A (zh) 2020-02-05 2024-01-09 抖音视界有限公司 局部双树的调色板模式
KR20240023239A (ko) * 2020-03-27 2024-02-20 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 팔레트 모드를 사용한 비디오 코딩 방법 및 장치
CN115362681B (zh) * 2020-04-10 2025-02-25 抖音视界有限公司 视频编解码中的变换跳过块的最小允许量化
WO2021244419A1 (en) 2020-05-31 2021-12-09 Beijing Bytedance Network Technology Co., Ltd. Constraint signaling using general constraint information syntax element
EP4349017A4 (en) * 2021-05-24 2025-04-16 Beijing Dajia Internet Information Technology Co., Ltd. METHODS AND DEVICES FOR COMPENSATING OVERLAPPED BLOCK MOTION FOR INTER-PREDICTION

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160234494A1 (en) 2015-02-10 2016-08-11 Qualcomm Incorporated Restriction on palette block size in video coding
WO2017206805A1 (en) 2016-05-28 2017-12-07 Mediatek Inc. Method and apparatus of palette mode coding for colour video data
WO2019069950A1 (ja) 2017-10-06 2019-04-11 シャープ株式会社 画像符号化装置及び画像復号装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9990859B2 (en) * 2008-01-17 2018-06-05 Speech Buddies, Inc. Intraoral tactile biofeedback methods, devices and systems for speech and language training
US9558567B2 (en) 2013-07-12 2017-01-31 Qualcomm Incorporated Palette prediction in palette-based video coding
EP3143767B1 (en) 2014-06-20 2022-06-01 HFI Innovation Inc. Method of palette predictor signaling for video coding
WO2016120468A1 (en) 2015-01-29 2016-08-04 Canon Kabushiki Kaisha Palette predictor initializer when encoding or decoding self-contained coding structures
US9986248B2 (en) 2015-01-29 2018-05-29 Qualcomm Incorporated Palette mode coding for video coding
US10097842B2 (en) 2015-09-18 2018-10-09 Qualcomm Incorporated Restriction of escape pixel signaled values in palette mode video coding
US11109056B2 (en) 2018-02-12 2021-08-31 Mediatek Inc. Method and apparatus of current picture referencing for video coding using adaptive motion vector resolution and sub-block prediction mode
US10694195B2 (en) * 2018-03-07 2020-06-23 Tencent America LLC Methods and apparatus for palette coding
ES3037213T3 (en) * 2020-01-11 2025-09-29 Beijing Dajia Internet Information Tech Co Ltd Methods and apparatus of video decoding using palette mode
KR20240023239A (ko) * 2020-03-27 2024-02-20 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 팔레트 모드를 사용한 비디오 코딩 방법 및 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160234494A1 (en) 2015-02-10 2016-08-11 Qualcomm Incorporated Restriction on palette block size in video coding
WO2017206805A1 (en) 2016-05-28 2017-12-07 Mediatek Inc. Method and apparatus of palette mode coding for colour video data
WO2019069950A1 (ja) 2017-10-06 2019-04-11 シャープ株式会社 画像符号化装置及び画像復号装置

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Hong-Jheng Jhu, et al.，AHG11: Disabling chroma CU palette mode under local dual tree ，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-R0334-v2，18th Meeting: by teleconference，2020年04月，pp.1-4
Hua Yang, and Yuwen He ，Non-CE8: Palette mode CU size restriction，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-P0375，16th Meeting: Geneva, CH，2019年09月，pp.1-5
Hyeongmun Jang, et al.，[AHG16] Clean-up on palette predictor update for local dual tree.，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-R0309_v2，18th Meeting: by teleconference，2020年04月，pp.1-7
Ru-Ling Liao, et al.，CE2-related: Palette mode for non 4:4:4 color format，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-Q0504 (version 1)，17th Meeting: Brussels, BE，2020年01月01日，pp.1-5

Also Published As

Publication number Publication date
KR102939301B1 (ko) 2026-03-13
JP2026016661A (ja) 2026-02-03
AU2021211618B2 (en) 2023-02-16
AU2026201703A1 (en) 2026-03-26
KR20210135321A (ko) 2021-11-12
SG11202111832VA (en) 2021-11-29
CN113966613A (zh) 2022-01-21
EP4094439A1 (en) 2022-11-30
CN118694949A (zh) 2024-09-24
AU2023203020A1 (en) 2023-06-01
US20240089485A1 (en) 2024-03-14
US20210227241A1 (en) 2021-07-22
JP7362878B2 (ja) 2023-10-17
AU2024202837B2 (en) 2026-01-08
JP2023010893A (ja) 2023-01-20
AU2023203020B2 (en) 2024-02-08
CN113966613B (zh) 2024-06-18
JP2024180482A (ja) 2024-12-26
AU2021211618A1 (en) 2021-11-11
KR20260041922A (ko) 2026-03-27
US20210409751A1 (en) 2021-12-30
EP4094439A4 (en) 2024-06-26
JP2022525430A (ja) 2022-05-13
US12101499B2 (en) 2024-09-24
JP7571243B2 (ja) 2024-10-22
CA3137931A1 (en) 2021-07-29
JP2026016662A (ja) 2026-02-03
JP2023171905A (ja) 2023-12-05
KR20220138017A (ko) 2022-10-12
JP2025004082A (ja) 2025-01-14
JP2026016660A (ja) 2026-02-03
AU2024202837A1 (en) 2024-05-23
US11184632B2 (en) 2021-11-23
KR102451105B1 (ko) 2022-10-04
CN118646886A (zh) 2024-09-13
WO2021150407A1 (en) 2021-07-29
US12278980B2 (en) 2025-04-15
JP7769072B2 (ja) 2025-11-12

Similar Documents

Publication Publication Date Title
KR102880083B1 (ko) 템플릿 매칭 기반 인트라 예측
JP7262881B2 (ja) ビデオコーディングのための方法およびコンピュータプログラム
JP7185070B2 (ja) デコーダが実行するビデオ復号の方法、装置およびコンピュータプログラム
JP7208261B2 (ja) ビデオ復号化のための方法、装置およびコンピュータプログラム
JP2023062099A (ja) ビデオ復号化のための方法、機器、非一時的なコンピュータ可読媒体、及びコンピュータプログラム
JP2023527662A (ja) デコーダ側イントラモード導出
JP7317983B2 (ja) ビデオ符号化又は復号化の方法、装置及びコンピュータプログラム
JP2022540536A (ja) ビデオコーディング方法並びに装置及びコンピュータプログラム
JP7236558B2 (ja) ビデオコーディングのための方法および装置
JP2023531866A (ja) ビデオコーディングのための方法、装置、非一時的コンピュータ可読記憶媒体およびコンピュータプログラム
JP7267404B2 (ja) ビデオを符号化及び復号する方法、並びにその装置及びコンピュータプログラム
JP2023544031A (ja) ビデオコーディングのための方法、装置、およびコンピュータプログラム
KR102853850B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102753984B1 (ko) 디블록킹 동작들에 대한 하이 레벨 제어

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210929

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210929

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20211217

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220404

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20220704

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20220905

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220928

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20221024

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20221124

R150 Certificate of patent or registration of utility model

Ref document number: 7185070

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250