JP7308983B2 - クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ - Google Patents

クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ Download PDF

Info

Publication number
JP7308983B2
JP7308983B2 JP2021569987A JP2021569987A JP7308983B2 JP 7308983 B2 JP7308983 B2 JP 7308983B2 JP 2021569987 A JP2021569987 A JP 2021569987A JP 2021569987 A JP2021569987 A JP 2021569987A JP 7308983 B2 JP7308983 B2 JP 7308983B2
Authority
JP
Japan
Prior art keywords
bits
component
filter
sample
bit
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
JP2021569987A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022539656A (ja
Inventor
ジョナサン タケ，
クリストフ ジスケ，
ギローム ラロシュ，
パトリス オンノ，
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Publication of JP2022539656A publication Critical patent/JP2022539656A/ja
Priority to JP2023108523A priority Critical patent/JP2023123772A/ja
Application granted granted Critical
Publication of JP7308983B2 publication Critical patent/JP7308983B2/ja
Priority to JP2025085774A priority patent/JP2025119008A/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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/10—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • H04N19/70—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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details 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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
JP2021569987A 2019-08-20 2020-08-18 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ Active JP7308983B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023108523A JP2023123772A (ja) 2019-08-20 2023-06-30 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ
JP2025085774A JP2025119008A (ja) 2019-08-20 2025-05-22 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1911952.8A GB2586484B (en) 2019-08-20 2019-08-20 A filter
GB1911952.8 2019-08-20
PCT/EP2020/073122 WO2021032751A1 (en) 2019-08-20 2020-08-18 Cross-component adaptive loop filter for chroma

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023108523A Division JP2023123772A (ja) 2019-08-20 2023-06-30 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ

Publications (2)

Publication Number Publication Date
JP2022539656A JP2022539656A (ja) 2022-09-13
JP7308983B2 true JP7308983B2 (ja) 2023-07-14

Family

ID=68099488

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2021569987A Active JP7308983B2 (ja) 2019-08-20 2020-08-18 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ
JP2023108523A Pending JP2023123772A (ja) 2019-08-20 2023-06-30 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ
JP2025085774A Pending JP2025119008A (ja) 2019-08-20 2025-05-22 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2023108523A Pending JP2023123772A (ja) 2019-08-20 2023-06-30 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ
JP2025085774A Pending JP2025119008A (ja) 2019-08-20 2025-05-22 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ

Country Status (9)

Country Link
US (6) US12177426B2 (cg-RX-API-DMAC7.html)
EP (1) EP4018650A1 (cg-RX-API-DMAC7.html)
JP (3) JP7308983B2 (cg-RX-API-DMAC7.html)
KR (1) KR102889328B1 (cg-RX-API-DMAC7.html)
CN (6) CN119767036A (cg-RX-API-DMAC7.html)
BR (1) BR112022000953A2 (cg-RX-API-DMAC7.html)
GB (1) GB2586484B (cg-RX-API-DMAC7.html)
TW (1) TWI793438B (cg-RX-API-DMAC7.html)
WO (1) WO2021032751A1 (cg-RX-API-DMAC7.html)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020233661A1 (en) 2019-05-21 2020-11-26 Beijing Bytedance Network Technology Co., Ltd. Syntax signaling in sub-block merge mode
CN120186345A (zh) 2019-08-08 2025-06-20 松下电器（美国）知识产权公司 用于视频编码的系统和方法
WO2021025167A1 (en) * 2019-08-08 2021-02-11 Panasonic Intellectual Property Corporation Of America System and method for video coding
WO2021025168A1 (en) 2019-08-08 2021-02-11 Panasonic Intellectual Property Corporation Of America System and method for video coding
CN114208165B (zh) 2019-08-10 2023-12-15 北京字节跳动网络技术有限公司 子图片解码中的缓冲器管理
GB2586484B (en) * 2019-08-20 2023-03-08 Canon Kk A filter
EP4024858B1 (en) * 2019-08-29 2025-07-30 LG Electronics Inc. Cross-component adaptive loop filtering-based image coding apparatus and method
EP4460004B1 (en) * 2019-08-29 2025-12-24 LG Electronics Inc. Device and method for coding video on basis of filtering
CN114930816B (zh) * 2019-08-29 2025-06-10 Lg电子株式会社 对图像进行编译的装置和方法
WO2021045130A1 (en) * 2019-09-03 2021-03-11 Panasonic Intellectual Property Corporation Of America System and method for video coding
US11343493B2 (en) * 2019-09-23 2022-05-24 Qualcomm Incorporated Bit shifting for cross-component adaptive loop filtering for video coding
KR102871115B1 (ko) 2019-10-18 2025-10-16 두인 비전 컴퍼니 리미티드 서브픽처들의 파라미터 세트 시그널링에서의 신택스 제약들
KR102717413B1 (ko) 2019-10-29 2024-10-15 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 크로스 컴포넌트 적응적 루프 필터
CN115280774B (zh) 2019-12-02 2025-08-19 抖音视界有限公司 视觉媒体处理的方法、装置及非暂时性计算机可读存储介质
WO2021118427A1 (en) * 2019-12-09 2021-06-17 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive loop filtering
CA3161484A1 (en) 2019-12-17 2021-06-24 Jacob Strom Low complexity image filter
CN113132739B (zh) * 2019-12-31 2022-11-01 杭州海康威视数字技术股份有限公司 边界强度确定、编解码方法、装置及其设备
CN115299051A (zh) * 2020-03-11 2022-11-04 抖音视界有限公司 视频编解码的一致性窗口参数
WO2021190464A1 (en) 2020-03-23 2021-09-30 Beijing Bytedance Network Technology Co., Ltd. Controlling deblocking filtering at different levels in coded video
KR20230016655A (ko) 2020-05-31 2023-02-02 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 로컬 이중 트리 모드 유형 정의가 있는 팔레트 모드
WO2022040428A1 (en) * 2020-08-20 2022-02-24 Beijing Dajia Internet Information Technology Co., Ltd. Chroma coding enhancement in cross-component sample adaptive offset
US12309400B2 (en) * 2020-09-30 2025-05-20 Qualcomm Incorporated Fixed bit depth processing for cross-component linear model (CCLM) mode in video coding
US11792438B2 (en) * 2020-10-02 2023-10-17 Lemon Inc. Using neural network filtering in video coding
WO2023020318A1 (en) * 2021-08-14 2023-02-23 Beijing Bytedance Network Technology Co., Ltd. Fusion mode for adaptive loop filter in video coding
CN117813823A (zh) * 2021-08-14 2024-04-02 抖音视界有限公司 视频编解码中自适应环路滤波器的改进融合模式
EP4512076A1 (en) * 2022-04-20 2025-02-26 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing
WO2024027566A1 (en) * 2022-08-02 2024-02-08 Mediatek Inc. Constraining convolution model coefficient

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140092999A1 (en) 2012-09-28 2014-04-03 Vid Scale, Inc. Cross-plane filtering for chroma signal enhancement in video coding
JP2016524878A (ja) 2013-06-17 2016-08-18 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ コンポーネント間フィルタ処理

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101448162B (zh) 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
US20130083844A1 (en) * 2011-09-30 2013-04-04 In Suk Chong Coefficient coding for sample adaptive offset and adaptive loop filter
US9807403B2 (en) 2011-10-21 2017-10-31 Qualcomm Incorporated Adaptive loop filtering for chroma components
US9591331B2 (en) * 2012-03-28 2017-03-07 Qualcomm Incorporated Merge signaling and loop filter on/off signaling
WO2014049981A1 (ja) * 2012-09-28 2014-04-03 三菱電機株式会社 動画像符号化装置、動画像復号装置、動画像符号化方法及び動画像復号方法
US20150382016A1 (en) * 2014-06-27 2015-12-31 Mitsubishi Electric Research Laboratories, Inc. Method for Processing Multi-Component Video and Images
US20160105685A1 (en) * 2014-10-08 2016-04-14 Qualcomm Incorporated Boundary filtering and cross-component prediction in video coding
EP3284259A1 (en) * 2015-04-17 2018-02-21 VID SCALE, Inc. Chroma enhancement filtering for high dynamic range video coding
JP2018521522A (ja) * 2015-04-21 2018-08-02 ヴィド スケール インコーポレイテッド 芸術的意図をベースとするビデオ符号化
WO2017007989A1 (en) * 2015-07-08 2017-01-12 Vid Scale, Inc. Enhanced chroma coding using cross plane filtering
EP3403406A1 (en) * 2016-01-15 2018-11-21 VID SCALE, Inc. System and method for enhanced motion compensation using adaptive filtering
US10419757B2 (en) 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
WO2019189346A1 (ja) * 2018-03-30 2019-10-03 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
TWI814890B (zh) * 2018-08-17 2023-09-11 大陸商北京字節跳動網絡技術有限公司 簡化的跨分量預測
US11159789B2 (en) * 2018-10-24 2021-10-26 City University Of Hong Kong Generative adversarial network based intra prediction for video coding
US11095921B2 (en) * 2018-12-18 2021-08-17 Tencent America LLC Method and apparatus for video encoding or decoding
CN113170119A (zh) * 2018-12-21 2021-07-23 华为技术有限公司 用于预测译码的插值滤波的方法及装置
CN113396592B (zh) * 2019-02-02 2023-11-14 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的缓冲区管理
CN114009018A (zh) * 2019-06-24 2022-02-01 夏普株式会社 用于基于交叉分量相关性来减小视频编码中的重构误差的系统和方法
CN117459725A (zh) * 2019-06-24 2024-01-26 华为技术有限公司 用于非线性自适应环路滤波器的限幅电平
WO2021025165A1 (en) * 2019-08-08 2021-02-11 Panasonic Intellectual Property Corporation Of America System and method for video coding
GB2586484B (en) * 2019-08-20 2023-03-08 Canon Kk A filter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140092999A1 (en) 2012-09-28 2014-04-03 Vid Scale, Inc. Cross-plane filtering for chroma signal enhancement in video coding
JP2015531569A (ja) 2012-09-28 2015-11-02 ヴィド スケール インコーポレイテッド ビデオコーディングにおけるクロマ信号強調のためのクロスプレーンフィルタリング
JP2016524878A (ja) 2013-06-17 2016-08-18 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ コンポーネント間フィルタ処理

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Jianle Chen, et.al.，Algorithm description for Versatile Video Coding and Test Model 5 (VTM 5)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 14th Meeting: Geneva, CH, 19-27 Mar. 2019，JVET-N1002-v2，2019年06月11日，pp.1-8,59-76
Kiran Misra, et.al.，Cross-Component Adaptive Loop Filter for chroma，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 15th Meeting: Gothenburg, SE, 3-12 July 2019，JVET-O0636_r1，2019年07月07日，pp.1-9

Also Published As

Publication number Publication date
GB2586484A (en) 2021-02-24
TW202110181A (zh) 2021-03-01
KR102889328B1 (ko) 2025-11-21
CN119767039A (zh) 2025-04-04
US12177426B2 (en) 2024-12-24
US20250097416A1 (en) 2025-03-20
CN114258683B (zh) 2024-12-31
WO2021032751A1 (en) 2021-02-25
EP4018650A1 (en) 2022-06-29
JP2025119008A (ja) 2025-08-13
US20250097413A1 (en) 2025-03-20
CN119767038A (zh) 2025-04-04
US20250097415A1 (en) 2025-03-20
CN114258683A (zh) 2022-03-29
US20250097412A1 (en) 2025-03-20
KR20220041939A (ko) 2022-04-01
US20250097414A1 (en) 2025-03-20
GB201911952D0 (en) 2019-10-02
JP2023123772A (ja) 2023-09-05
US20220312006A1 (en) 2022-09-29
JP2022539656A (ja) 2022-09-13
GB2586484B (en) 2023-03-08
CN119767036A (zh) 2025-04-04
BR112022000953A2 (pt) 2022-04-12
CN119767037A (zh) 2025-04-04
TWI793438B (zh) 2023-02-21
CN119767040A (zh) 2025-04-04

Similar Documents

Publication Publication Date Title
JP7308983B2 (ja) クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ
JP7308946B2 (ja) 非線形クリッピングのアダプティブループフィルタ
CN112913236B (zh) 编码器，解码器和使用压缩mv存储的对应方法
CN113196783A (zh) 去块效应滤波自适应的编码器、解码器及对应方法
CN113170119A (zh) 用于预测译码的插值滤波的方法及装置
EP3747192A1 (en) Encoding and decoding with refinement of the reconstructed picture
CN120711188A (zh) 调色板预测方法
HK40125776A (zh) 用於对图像部分或图像进行解码的方法和解码器
GB2613960A (en) A filter

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220121

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220121

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220823

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20230130

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230220

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230420

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: 20230605

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230704

R151 Written notification of patent or utility model registration

Ref document number: 7308983

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151