JP7337929B2 - ビデオコーディングのための方法、装置、およびプログラム - Google Patents

ビデオコーディングのための方法、装置、およびプログラム Download PDF

Info

Publication number
JP7337929B2
JP7337929B2 JP2021531589A JP2021531589A JP7337929B2 JP 7337929 B2 JP7337929 B2 JP 7337929B2 JP 2021531589 A JP2021531589 A JP 2021531589A JP 2021531589 A JP2021531589 A JP 2021531589A JP 7337929 B2 JP7337929 B2 JP 7337929B2
Authority
JP
Japan
Prior art keywords
prediction
inter
intra
samples
video
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
JP2021531589A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022512088A (ja
Inventor
リャン・ジャオ
シン・ジャオ
シアン・リ
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 JP2022512088A publication Critical patent/JP2022512088A/ja
Priority to JP2023134843A priority Critical patent/JP7704813B2/ja
Application granted granted Critical
Publication of JP7337929B2 publication Critical patent/JP7337929B2/ja
Priority to JP2025108408A priority patent/JP2025138780A/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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/50—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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021531589A 2019-02-01 2020-01-31 ビデオコーディングのための方法、装置、およびプログラム Active JP7337929B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023134843A JP7704813B2 (ja) 2019-02-01 2023-08-22 ビデオコーディングのための方法、装置、およびプログラム
JP2025108408A JP2025138780A (ja) 2019-02-01 2025-06-26 ビデオコーディングのための方法、装置、およびプログラム

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962800400P 2019-02-01 2019-02-01
US62/800,400 2019-02-01
US16/777,339 2020-01-30
US16/777,339 US11330283B2 (en) 2019-02-01 2020-01-30 Method and apparatus for video coding
PCT/US2020/016144 WO2020160428A1 (en) 2019-02-01 2020-01-31 Method and apparatus for video coding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023134843A Division JP7704813B2 (ja) 2019-02-01 2023-08-22 ビデオコーディングのための方法、装置、およびプログラム

Publications (2)

Publication Number Publication Date
JP2022512088A JP2022512088A (ja) 2022-02-02
JP7337929B2 true JP7337929B2 (ja) 2023-09-04

Family

ID=71836846

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2021531589A Active JP7337929B2 (ja) 2019-02-01 2020-01-31 ビデオコーディングのための方法、装置、およびプログラム
JP2023134843A Active JP7704813B2 (ja) 2019-02-01 2023-08-22 ビデオコーディングのための方法、装置、およびプログラム
JP2025108408A Pending JP2025138780A (ja) 2019-02-01 2025-06-26 ビデオコーディングのための方法、装置、およびプログラム

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2023134843A Active JP7704813B2 (ja) 2019-02-01 2023-08-22 ビデオコーディングのための方法、装置、およびプログラム
JP2025108408A Pending JP2025138780A (ja) 2019-02-01 2025-06-26 ビデオコーディングのための方法、装置、およびプログラム

Country Status (6)

Country Link
US (3) US11330283B2 (https=)
EP (1) EP3769520A4 (https=)
JP (3) JP7337929B2 (https=)
KR (2) KR102765059B1 (https=)
CN (2) CN113366847B (https=)
WO (1) WO2020160428A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI678917B (zh) * 2017-06-07 2019-12-01 聯發科技股份有限公司 用於視訊編解碼的畫面內-畫面間預測的方法及裝置
US11330283B2 (en) 2019-02-01 2022-05-10 Tencent America LLC Method and apparatus for video coding
CN119967163A (zh) * 2019-05-02 2025-05-09 皇家飞利浦有限公司 图像信号编码/解码方法及其装置
WO2020256466A1 (ko) * 2019-06-19 2020-12-24 한국전자통신연구원 화면 내 예측 모드 및 엔트로피 부호화/복호화 방법 및 장치
CN114287133B (zh) * 2019-08-14 2024-09-10 北京字节跳动网络技术有限公司 帧内模式中的预测样点滤波的加权因子
CN117376556A (zh) 2019-08-14 2024-01-09 北京字节跳动网络技术有限公司 位置相关帧内预测样点滤波
US11563957B2 (en) * 2021-01-13 2023-01-24 Lemon Inc. Signaling for decoder-side intra mode derivation
CN117337567A (zh) * 2021-04-21 2024-01-02 抖音视界有限公司 用于视频处理的方法、设备和介质
CN118923108A (zh) * 2022-04-12 2024-11-08 Lg 电子株式会社 图像编码/解码方法和设备及其上存储比特流的记录介质
US20250365408A1 (en) * 2024-05-24 2025-11-27 Tencent America LLC Signaling and filtering of template and flexible partition split
EP4730769A1 (en) * 2024-10-21 2026-04-22 InterDigital CE Patent Holdings, SAS Intra prediction with subsampling of a prediction grid

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015059973A1 (ja) 2013-10-22 2015-04-30 ソニー株式会社 画像処理装置及び画像処理方法
WO2017030198A1 (ja) 2015-08-20 2017-02-23 日本放送協会 画像符号化装置、画像復号化装置、及びこれらのプログラム
WO2020146562A1 (en) 2019-01-09 2020-07-16 Beijing Dajia Internet Information Technology Co., Ltd. System and method for improving combined inter and intra prediction

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4650173B2 (ja) * 2005-09-05 2011-03-16 ソニー株式会社 符号化装置、符号化方法、符号化方法のプログラム及び符号化方法のプログラムを記録した記録媒体
EP2559239A2 (en) 2010-04-13 2013-02-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for intra predicting a block, apparatus for reconstructing a block of a picture, apparatus for reconstructing a block of a picture by intra prediction
KR101772459B1 (ko) 2010-05-17 2017-08-30 엘지전자 주식회사 신규한 인트라 예측 모드
KR102086145B1 (ko) 2010-12-13 2020-03-09 한국전자통신연구원 인트라 예측 방법 및 그 장치
US9288500B2 (en) 2011-05-12 2016-03-15 Texas Instruments Incorporated Luma-based chroma intra-prediction for video coding
US9648330B2 (en) 2013-07-15 2017-05-09 Qualcomm Incorporated Inter-color component residual prediction
WO2015101329A1 (en) 2014-01-02 2015-07-09 Mediatek Singapore Pte. Ltd. Method and apparatus for intra prediction coding with boundary filtering control
US20180249156A1 (en) * 2015-09-10 2018-08-30 Lg Electronics Inc. Method for processing image based on joint inter-intra prediction mode and apparatus therefor
US10567759B2 (en) * 2016-03-21 2020-02-18 Qualcomm Incorporated Using luma information for chroma prediction with separate luma-chroma framework in video coding
US10623774B2 (en) * 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
US20190215521A1 (en) * 2016-09-22 2019-07-11 Mediatek Inc. Method and apparatus for video coding using decoder side intra prediction derivation
WO2018174657A1 (ko) * 2017-03-23 2018-09-27 엘지전자 주식회사 영상 코딩 시스템에서 인트라 예측에 따른 영상 디코딩 방법 및 장치
WO2018219925A1 (en) * 2017-05-31 2018-12-06 Interdigital Vc Holdings, Inc. Method and apparatus for signalling bi-directional intra prediction in video encoding and decoding
TWI678917B (zh) * 2017-06-07 2019-12-01 聯發科技股份有限公司 用於視訊編解碼的畫面內-畫面間預測的方法及裝置
EP3627836A4 (en) * 2017-06-21 2021-04-07 LG Electronics Inc. METHOD AND DEVICE FOR DECODING IMAGES ACCORDING TO INTRAPREDICTION IN AN IMAGE ENCODING SYSTEM
KR102675747B1 (ko) * 2017-06-26 2024-06-18 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
CN111436230B (zh) * 2018-11-12 2024-10-11 北京字节跳动网络技术有限公司 仿射预测的带宽控制方法
US11652984B2 (en) * 2018-11-16 2023-05-16 Qualcomm Incorporated Position-dependent intra-inter prediction combination in video coding
CN113170093B (zh) * 2018-11-20 2023-05-02 北京字节跳动网络技术有限公司 视频处理中的细化帧间预测
WO2020108651A1 (en) * 2018-11-29 2020-06-04 Beijing Bytedance Network Technology Co., Ltd. Affine inheritance method in intra block copy mode
US11445203B2 (en) * 2019-01-04 2022-09-13 Qualcomm Incorporated Sub-partition intra prediction in video coding
US11330283B2 (en) * 2019-02-01 2022-05-10 Tencent America LLC Method and apparatus for video coding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015059973A1 (ja) 2013-10-22 2015-04-30 ソニー株式会社 画像処理装置及び画像処理方法
WO2017030198A1 (ja) 2015-08-20 2017-02-23 日本放送協会 画像符号化装置、画像復号化装置、及びこれらのプログラム
WO2020146562A1 (en) 2019-01-09 2020-07-16 Beijing Dajia Internet Information Technology Co., Ltd. System and method for improving combined inter and intra prediction

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
F. Galpin, et al.，"CE-10 related: M0390-M0096 combination"，JVET-M0838 (version 1)，[online], Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2019年01月13日，Pages 1-4，[令和4年6月16日検索], インターネット, <URL: http://phenix.it-sudparis.eu/jvet/doc_end_user/current_document.php?id=5669> and <URL: http://phenix.it-sudparis.eu/jvet/doc_end_user/documents/13_Marrakech/wg11/JVET-M0838-v1.zip>.
Hyeongmun Jang, et al.，"EE1-Related : Harmonization UW Prediction method with improved PDPC"，JVET-G0062 (version 3)，[online], Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2017年07月14日，Pages 1-4，[令和4年6月16日検索], インターネット, <URL: http://phenix.it-sudparis.eu/jvet/doc_end_user/current_document.php?id=3163> and <URL: http://phenix.it-sudparis.eu/jvet/doc_end_user/documents/7_Torino/wg11/JVET-G0062-v3.zip>.
Jianle Chen, et al.，"Algorithm description for Versatile Video Coding and Test Model 3 (VTM 3)"，JVET-L1002 (version 2)，[online], Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2018年12月24日，Pages 1,11-17,35,36，[令和4年6月16日検索], インターネット, <URL: http://phenix.it-sudparis.eu/jvet/doc_end_user/current_document.php?id=4835> and <URL: http://phenix.it-sudparis.eu/jvet/doc_end_user/documents/12_Macao/wg11/JVET-L1002-v2.zip>.
Jianle Chen, et al.，"Algorithm Description of Joint Exploration Test Model 7 (JEM 7)"，JVET-G1001 (version 1)，[online], Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2017年08月19日，Pages 12,13,23-27，[令和4年6月16日検索], インターネット, <URL: http://phenix.it-sudparis.eu/jvet/doc_end_user/current_document.php?id=3286> and <URL: http://phenix.it-sudparis.eu/jvet/doc_end_user/documents/7_Torino/wg11/JVET-G1001-v1.zip>.
Martin Winken, et al.，"CE10: Multi-hypothesis inter prediction (Test 10.1.2)"，JVET-M0425 (version 2)，[online], Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，2019年01月07日，Pages 1-13，[令和4年6月16日検索], インターネット, <URL: http://phenix.it-sudparis.eu/jvet/doc_end_user/current_document.php?id=5234> and <URL: http://phenix.it-sudparis.eu/jvet/doc_end_user/documents/13_Marrakech/wg11/JVET-M0425-v2.zip>.
大久保 榮 監修，「インプレス標準教科書シリーズ 改訂三版H.264/AVC教科書」，第１版，日本，株式会社インプレスＲ＆Ｄ，2009年01月01日，第１１０～１１６頁，ISBN: 978-4-8443-2664-9.

Also Published As

Publication number Publication date
JP2023164443A (ja) 2023-11-10
CN113366847A (zh) 2021-09-07
JP2022512088A (ja) 2022-02-02
US11330283B2 (en) 2022-05-10
KR20210094058A (ko) 2021-07-28
CN115002477B (zh) 2025-03-25
EP3769520A1 (en) 2021-01-27
JP7704813B2 (ja) 2025-07-08
CN115002477A (zh) 2022-09-02
CN113366847B (zh) 2022-05-24
US20260039853A1 (en) 2026-02-05
KR20250024115A (ko) 2025-02-18
US20200252640A1 (en) 2020-08-06
WO2020160428A1 (en) 2020-08-06
KR102765059B1 (ko) 2025-02-11
EP3769520A4 (en) 2022-07-13
JP2025138780A (ja) 2025-09-25
US20220239940A1 (en) 2022-07-28
US12445639B2 (en) 2025-10-14

Similar Documents

Publication Publication Date Title
JP7159423B2 (ja) 映像復号化のための方法、装置及びコンピュータ・プログラム
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
JP7337929B2 (ja) ビデオコーディングのための方法、装置、およびプログラム
KR102442931B1 (ko) 비디오 코딩을 위한 방법 및 장치
JP2023527666A (ja) テンプレートマッチングベースのイントラ予測
JP7302044B2 (ja) イントラインター予測を制御する方法、エンコーダ、デコーダ、及びプログラム
JP7210732B2 (ja) ビデオをデコードするための方法、装置及びプログラム
JP2023138834A (ja) イントラモード符号化のための方法、装置及びコンピュータプログラム
JP7132352B2 (ja) 予測モードおよび符号化ブロックフラグ（ｃｂｆ）のコンテキスト設計を更に向上する方法および機器
JP7212060B2 (ja) サブブロックに基づく時間的動きベクトル予測のための方法並びにその機器及びコンピュータプログラム
JP7331218B2 (ja) 統合位置依存予測組み合わせプロセスを使用するデコードのための方法、装置およびコンピュータ・プログラム
JP2022059032A (ja) ビデオエンコーディング及びデコーディングのための方法、装置、コンピュータプログラム、及び非一時的なコンピュータ可読媒体
WO2020027988A1 (en) Constraints on coding unit partition
JP2022517114A (ja) ビデオ復号用の方法、装置およびプログラム
JP2023065561A (ja) イントラピクチャブロック補償のための予測候補リストサイズシグナリングのための方法および装置
JP2023522704A (ja) ビデオコーディングのための方法および装置、およびコンピュータプログラム
JP2022525748A (ja) ビデオ符号化のための色変換
JP2023524406A (ja) 複数基準線イントラ予測と変換分割との間の調和した設計
JP7686765B2 (ja) ビデオ復号化方法及び装置、並びにビデオ符号化方法
JP2023533904A (ja) ゼロ残差フラグコーディング
HK40073973A (zh) 视频编码的方法、装置及计算机可读存储介质
HK40073973B (zh) 视频编码的方法、装置及计算机可读存储介质
HK40052144A (en) Method and apparatus for video coding
HK40052144B (zh) 用於视频编解码的方法、装置及可读介质

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210602

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210602

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220627

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220927

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230116

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230412

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: 20230724

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230823

R150 Certificate of patent or registration of utility model

Ref document number: 7337929

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150