JP7343081B2 - 二次電池用材料、負極活物質および二次電池 - Google Patents

二次電池用材料、負極活物質および二次電池 Download PDF

Info

Publication number
JP7343081B2
JP7343081B2 JP2023527018A JP2023527018A JP7343081B2 JP 7343081 B2 JP7343081 B2 JP 7343081B2 JP 2023527018 A JP2023527018 A JP 2023527018A JP 2023527018 A JP2023527018 A JP 2023527018A JP 7343081 B2 JP7343081 B2 JP 7343081B2
Authority
JP
Japan
Prior art keywords
negative electrode
electrode active
active material
secondary battery
carbon
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
JP2023527018A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023017694A1 (https=
JPWO2023017694A5 (https=
Inventor
敢 武久
培新 諸
聡 片野
博友 佐々木
哲也 田村
賢一 川瀬
貴規 馬場
達彦 荒井
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.)
DIC Corp
Original Assignee
DIC Corp
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 DIC Corp filed Critical DIC Corp
Publication of JPWO2023017694A1 publication Critical patent/JPWO2023017694A1/ja
Publication of JPWO2023017694A5 publication Critical patent/JPWO2023017694A5/ja
Application granted granted Critical
Publication of JP7343081B2 publication Critical patent/JP7343081B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/907—Oxycarbides; Sulfocarbides; Mixture of carbides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/134—Electrodes based on metals, Si or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/78—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by stacking-plane distances or stacking sequences
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/86—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by NMR- or ESR-data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
JP2023527018A 2021-08-11 2022-06-30 二次電池用材料、負極活物質および二次電池 Active JP7343081B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPPCT/JP2021/029652 2021-08-11
PCT/JP2021/029652 WO2023017587A1 (ja) 2021-08-11 2021-08-11 二次電池用材料、負極活物質および二次電池
PCT/JP2022/026169 WO2023017694A1 (ja) 2021-08-11 2022-06-30 二次電池用材料、負極活物質および二次電池

Publications (3)

Publication Number Publication Date
JPWO2023017694A1 JPWO2023017694A1 (https=) 2023-02-16
JPWO2023017694A5 JPWO2023017694A5 (https=) 2023-07-19
JP7343081B2 true JP7343081B2 (ja) 2023-09-12

Family

ID=85199931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023527018A Active JP7343081B2 (ja) 2021-08-11 2022-06-30 二次電池用材料、負極活物質および二次電池

Country Status (6)

Country Link
US (1) US20250132314A1 (https=)
EP (1) EP4386903A4 (https=)
JP (1) JP7343081B2 (https=)
KR (1) KR20240042054A (https=)
CN (1) CN117882213A (https=)
WO (2) WO2023017587A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023162692A1 (ja) * 2022-02-25 2023-08-31 Dic株式会社 ナノシリコン、ナノシリコンスラリー、ナノシリコンの製造方法、二次電池用活物質および二次電池
CN120752759A (zh) * 2023-02-28 2025-10-03 Dic株式会社 二次电池用复合活性物质及二次电池
CN121014117A (zh) * 2023-04-26 2025-11-25 松下知识产权经营株式会社 二次电池用负极材料、二次电池、以及二次电池用负极材料的制造方法
JP7619535B1 (ja) * 2023-04-28 2025-01-22 Dic株式会社 組成物、負極活物質、負極活物質の製造方法、及び二次電池
KR20260009614A (ko) * 2024-07-11 2026-01-20 주식회사 엘케이테크놀러지 이차전지 음극재용 실리콘 분말, 제조 방법 및 이차전지용 음극재
CN121439696A (zh) * 2024-07-30 2026-01-30 宁德时代新能源科技股份有限公司 锂离子电池单体、锂离子电池以及用电装置
CN119314569B (zh) * 2024-10-18 2025-11-04 中国科学院青岛生物能源与过程研究所 一种基于分子动力学模拟获取非晶SiOC原子离位能的模拟方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017054720A (ja) 2015-09-10 2017-03-16 トヨタ自動車株式会社 全固体電池用負極
JP2020001941A (ja) 2018-06-25 2020-01-09 Jnc株式会社 コアシェル構造体及びその製造方法並びに該コアシェル構造体を負極活物質として用いた負極用組成物、負極及び二次電池
JP2020017504A (ja) 2018-07-27 2020-01-30 荒川化学工業株式会社 リチウムイオン電池電極用スラリー及びその製造方法、リチウムイオン電池用電極、並びにリチウムイオン電池
JP2020138895A (ja) 2019-03-01 2020-09-03 Jnc株式会社 シリコン系微粒子／シリコン含有ポリマー複合体、ＳｉＯＣ構造体、並びにＳｉＯＣ構造体を用いた負極用組成物、負極及び二次電池
JP2021114483A (ja) 2018-12-19 2021-08-05 Dic株式会社 シリコンナノ粒子及びそれを用いた非水二次電池負極用活物質並びに二次電池

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6028235B2 (ja) 2011-08-31 2016-11-16 国立大学法人東北大学 Ｓｉ／Ｃ複合材料及びその製造方法並びに電極
KR101357669B1 (ko) 2011-09-22 2014-02-03 삼성에스디에스 주식회사 위치 기반 네트워크 접속 시스템 및 방법
CN104412423B (zh) 2012-06-27 2018-01-30 捷恩智株式会社 二次电池用负极活性物质及其制造方法、使用其的负极以及锂离子电池
EP3018099A1 (en) 2014-11-06 2016-05-11 Commissariat A L'energie Atomique Et Aux Energies Alternatives SiOC composite electrode material
JP6448525B2 (ja) 2015-02-26 2019-01-09 信越化学工業株式会社 非水電解質二次電池用負極活物質、非水電解質二次電池用負極、及び非水電解質二次電池、並びに非水電解質二次電池用負極材の製造方法
JP6857879B2 (ja) 2016-12-22 2021-04-14 Dic株式会社 非水性二次電池負極用活物質の製造方法、および非水性二次電池用負極の製造方法
GB2563455B (en) * 2017-06-16 2019-06-19 Nexeon Ltd Particulate electroactive materials for use in metal-ion batteries
KR102627149B1 (ko) 2017-12-01 2024-01-23 디아이씨 가부시끼가이샤 음극 활물질 및 그 제조 방법
JP6978947B2 (ja) 2018-01-12 2021-12-08 株式会社クレハ 電池用負極材料及びその製造方法、二次電池用負極、並びに二次電池
TW202043146A (zh) * 2019-03-01 2020-12-01 日商捷恩智股份有限公司 碳氧化矽結構體、負極用組成物、負極、二次電池、製造碳氧化矽結構體的方法及製造負極用組成物的方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017054720A (ja) 2015-09-10 2017-03-16 トヨタ自動車株式会社 全固体電池用負極
JP2020001941A (ja) 2018-06-25 2020-01-09 Jnc株式会社 コアシェル構造体及びその製造方法並びに該コアシェル構造体を負極活物質として用いた負極用組成物、負極及び二次電池
JP2020017504A (ja) 2018-07-27 2020-01-30 荒川化学工業株式会社 リチウムイオン電池電極用スラリー及びその製造方法、リチウムイオン電池用電極、並びにリチウムイオン電池
JP2021114483A (ja) 2018-12-19 2021-08-05 Dic株式会社 シリコンナノ粒子及びそれを用いた非水二次電池負極用活物質並びに二次電池
JP2020138895A (ja) 2019-03-01 2020-09-03 Jnc株式会社 シリコン系微粒子／シリコン含有ポリマー複合体、ＳｉＯＣ構造体、並びにＳｉＯＣ構造体を用いた負極用組成物、負極及び二次電池

Also Published As

Publication number Publication date
JPWO2023017694A1 (https=) 2023-02-16
KR20240042054A (ko) 2024-04-01
CN117882213A (zh) 2024-04-12
WO2023017694A1 (ja) 2023-02-16
WO2023017587A1 (ja) 2023-02-16
EP4386903A1 (en) 2024-06-19
US20250132314A1 (en) 2025-04-24
EP4386903A4 (en) 2025-11-19

Similar Documents

Publication Publication Date Title
JP7343081B2 (ja) 二次電池用材料、負極活物質および二次電池
JP7447865B2 (ja) シリコンナノ粒子及びそれを用いた非水二次電池負極用活物質並びに二次電池
JP7435916B1 (ja) 負極活物質の製造方法、負極活物質および二次電池
JP7323089B1 (ja) 負極活物質、二次電池および負極活物質の製造方法
JP7586255B2 (ja) 二次電池用複合活物質および二次電池
JP7424555B1 (ja) 負極活物質および二次電池
JP7485230B2 (ja) ナノシリコン、ナノシリコンスラリー、ナノシリコンの製造方法、二次電池用活物質および二次電池
JP7491478B2 (ja) 二次電池用活物質および二次電池
JP7491482B2 (ja) 二次電池用活物質、二次電池用活物質の製造方法および二次電池
JP7453631B2 (ja) ケイ素系材料、ケイ素系材料を含む複合材料、二次電池用負極物質および二次電池
JP7473098B1 (ja) 負極活物質前駆体、負極活物質、二次電池および負極活物質の製造方法
TW202431680A (zh) 二次電池用材料、負極活性物質及二次電池
JP2025147581A (ja) 負極活物質及びその製造方法、並びに二次電池
JP2025008899A (ja) シリコン粒子、シリコン含有活物質、二次電池用負極活物質、負極および二次電池
JP2025008898A (ja) シリコン粒子、シリコン含有活物質、二次電池用負極活物質、負極および二次電池
JP2025008900A (ja) シリコン粒子、シリコン含有活物質、二次電池用負極活物質、負極および二次電池
WO2024101263A1 (ja) 二次電池用複合活物質、及び二次電池
WO2024181130A1 (ja) 二次電池用複合活物質、及び二次電池
WO2024048051A1 (ja) 負極活物質および二次電池
WO2024181132A1 (ja) 複合粒子、複合粒子の製造方法、二次電池用負極活物質、負極及び二次電池

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230502

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230502

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20230502

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230620

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230620

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: 20230801

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230814

R151 Written notification of patent or utility model registration

Ref document number: 7343081

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350