JP7665525B2 - 弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法 - Google Patents

弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法 Download PDF

Info

Publication number
JP7665525B2
JP7665525B2 JP2021557087A JP2021557087A JP7665525B2 JP 7665525 B2 JP7665525 B2 JP 7665525B2 JP 2021557087 A JP2021557087 A JP 2021557087A JP 2021557087 A JP2021557087 A JP 2021557087A JP 7665525 B2 JP7665525 B2 JP 7665525B2
Authority
JP
Japan
Prior art keywords
dry
electrode film
electrode
active material
weight
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
JP2021557087A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022527458A (ja
JP2022527458A5 (https=
JPWO2020205447A5 (https=
Inventor
ジュンホ シン
ヒエウ ミン ドゥオン
Original Assignee
マックスウェル テクノロジーズ インコーポレイテッド
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 マックスウェル テクノロジーズ インコーポレイテッド filed Critical マックスウェル テクノロジーズ インコーポレイテッド
Publication of JP2022527458A publication Critical patent/JP2022527458A/ja
Publication of JP2022527458A5 publication Critical patent/JP2022527458A5/ja
Publication of JPWO2020205447A5 publication Critical patent/JPWO2020205447A5/ja
Priority to JP2024221310A priority Critical patent/JP2025038132A/ja
Application granted granted Critical
Publication of JP7665525B2 publication Critical patent/JP7665525B2/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
    • 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
    • H01M4/04—Processes of manufacture in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/30—Electrodes characterised by their material
    • H01G11/32—Carbon-based
    • H01G11/38—Carbon pastes or blends; Binders or additives therein
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • H01M4/0435—Rolling or calendering
    • 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
    • H01M4/133—Electrodes based on 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/137—Electrodes based on electro-active polymers
    • 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
    • H01M4/139—Processes of manufacture
    • 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
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of electrodes based on 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
    • H01M4/60—Selection of substances as active materials, active masses, active liquids of organic compounds
    • H01M4/602—Polymers
    • 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
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
    • 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
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
JP2021557087A 2019-03-29 2020-03-26 弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法 Active JP7665525B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024221310A JP2025038132A (ja) 2019-03-29 2024-12-18 弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962826273P 2019-03-29 2019-03-29
US62/826,273 2019-03-29
PCT/US2020/025028 WO2020205447A1 (en) 2019-03-29 2020-03-26 Compositions and methods for dry electrode films including elastic polymer binders

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024221310A Division JP2025038132A (ja) 2019-03-29 2024-12-18 弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法

Publications (4)

Publication Number Publication Date
JP2022527458A JP2022527458A (ja) 2022-06-02
JP2022527458A5 JP2022527458A5 (https=) 2023-03-17
JPWO2020205447A5 JPWO2020205447A5 (https=) 2023-03-17
JP7665525B2 true JP7665525B2 (ja) 2025-04-21

Family

ID=70465251

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021557087A Active JP7665525B2 (ja) 2019-03-29 2020-03-26 弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法
JP2024221310A Pending JP2025038132A (ja) 2019-03-29 2024-12-18 弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024221310A Pending JP2025038132A (ja) 2019-03-29 2024-12-18 弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法

Country Status (6)

Country Link
US (2) US12512475B2 (https=)
EP (1) EP3948985A1 (https=)
JP (2) JP7665525B2 (https=)
KR (1) KR20210143777A (https=)
CN (1) CN113939925A (https=)
WO (1) WO2020205447A1 (https=)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7665525B2 (ja) * 2019-03-29 2025-04-21 マックスウェル テクノロジーズ インコーポレイテッド 弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法
US11584653B2 (en) 2020-11-13 2023-02-21 Ionobell, Inc. Silicon material and method of manufacture
US11066305B1 (en) 2020-11-13 2021-07-20 ionobell Inc Porous silicon manufactured from fumed silica
US20230178754A1 (en) * 2021-01-27 2023-06-08 Lg Energy Solution, Ltd. Free-Standing Film For Dry Electrode, Manufacturing Apparatus Thereof, Dry Electrode Including The Same, And Secondary Battery
US20220380606A1 (en) 2021-05-25 2022-12-01 Ionobell, Inc. Silicon material and method of manufacture
WO2023064395A1 (en) 2021-10-12 2023-04-20 Ionobell, Inc Silicon battery and method for assembly
WO2023114211A2 (en) 2021-12-13 2023-06-22 Ionobell, Inc. Porous silicon material and method of manufacture
EP4203085A1 (en) * 2021-12-22 2023-06-28 Arkema France Binder for dry-coated electrode
JPWO2023145924A1 (https=) 2022-01-31 2023-08-03
WO2023204650A1 (ko) * 2022-04-20 2023-10-26 주식회사 엘지에너지솔루션 건식 전극용 혼합 분체 및 이를 포함하는 전기화학소자용 건식 전극
FR3135167B1 (fr) 2022-04-28 2026-02-27 Arkema France Liant pour électrode revêtue à sec
WO2024010903A1 (en) 2022-07-08 2024-01-11 Ionobell, Inc. Electrode slurry and method of manufacture
KR102887952B1 (ko) 2023-02-03 2025-11-18 주식회사 씨엔피솔루션즈 건식공정용 신규 바인더를 포함하는 전극물질층조성물 및 이를 포함하는 리튬이온배터리
FR3143870B1 (fr) 2022-12-16 2025-07-25 Arkema France Liant pour électrode, f ormulation d’électrode pour batterie Li-ion et procédé de fabrication d’électrode sans solvant
JPWO2024172059A1 (https=) * 2023-02-17 2024-08-22
JPWO2024172085A1 (https=) * 2023-02-17 2024-08-22
FR3146375B1 (fr) 2023-03-02 2026-01-23 Arkema France Liant pour électrode, formulation d’électrode pour batterie Li-ion et procédé de fabrication d’électrode
FR3146374B1 (fr) 2023-03-02 2026-03-13 Arkema France Liant pour électrode, f ormulation d’électrode pour batterie Li-ion et procédé de fabrication d’électrode
EP4447166A1 (en) 2023-04-14 2024-10-16 Arkema, Inc. Electrode formulation for dry process
CN116247216B (zh) * 2023-05-10 2023-07-18 天津普兰能源科技有限公司 一种高循环干法电极膜、电池极片、制备方法及锂电池
KR20250034736A (ko) 2023-09-04 2025-03-11 현대자동차주식회사 건식 전극 및 이의 제조방법
KR20250076229A (ko) 2023-11-22 2025-05-29 주식회사 씨엔피솔루션즈 전극제조용 바인더조성물, 상기 바인더조성물을 포함하는 건식공정용 전극물질층조성물 및 이를 포함하는 이차전지
KR20250077712A (ko) 2023-11-24 2025-06-02 현대자동차주식회사 건식 전극의 혼합 조건 산출시스템 및 산출방법
KR20250078657A (ko) 2023-11-24 2025-06-04 현대자동차주식회사 플루다이제이션 장치 및 이를 포함하는 전지의 제조시스템
US12431505B2 (en) * 2023-11-27 2025-09-30 Atlas Power Technologies Inc. Dry electrode for energy storing devices
KR20250081131A (ko) 2023-11-29 2025-06-05 한국생산기술연구원 자기장을 활용한 전기화학전지 시스템 성능향상방법
KR20250086913A (ko) 2023-12-07 2025-06-16 현대자동차주식회사 이송 스캐닝 장치 및 시스템
EP4576266A1 (en) 2023-12-22 2025-06-25 Arkema France Binder for dry process electrode preparation
EP4576267A1 (en) 2023-12-22 2025-06-25 Arkema France Binder for dry process electrode preparation
CN120809732B (zh) * 2025-06-24 2026-03-31 清华大学 电极、储能器件、电极生产系统和电极制备方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000173618A (ja) 1998-12-09 2000-06-23 Kawasaki Steel Corp リチウムイオン二次電池の負極用材料、負極およびリチウムイオン二次電池
JP2000182436A (ja) 1998-12-10 2000-06-30 Kureha Elastomer Kk カーボンシートおよびその製法
JP2004071517A (ja) 2002-08-05 2004-03-04 Kee:Kk 変性ポリフッ化ビニリデン含有負極用コンパウンド
JP2006332626A (ja) 2005-04-25 2006-12-07 Power System:Kk 電気二重層キャパシタ用正電極及びその製造方法
US20110262803A1 (en) 2008-03-27 2011-10-27 Zpower, Inc. Electrodes and Electrochemical Cells Employing the Same
WO2016084864A1 (ja) 2014-11-25 2016-06-02 東洋炭素株式会社 膨張黒鉛シート及びその膨張黒鉛シートを用いた電池
JP2017517862A (ja) 2014-04-18 2017-06-29 マックスウェル テクノロジーズ インコーポレイテッド エネルギー貯蔵装置の乾式電極とその製造方法
JP2021504877A (ja) 2017-11-22 2021-02-15 マックスウェル テクノロジーズ インコーポレイテッド 改善された性能を有するエネルギー貯蔵装置についての組成および方法
JP2021523531A (ja) 2018-05-14 2021-09-02 マックスウェル テクノロジーズ インコーポレイテッド バインダ含有量が低減された乾燥電極フィルムの組成物及び方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050266298A1 (en) 2003-07-09 2005-12-01 Maxwell Technologies, Inc. Dry particle based electro-chemical device and methods of making same
US7342770B2 (en) 2003-07-09 2008-03-11 Maxwell Technologies, Inc. Recyclable dry particle based adhesive electrode and methods of making same
US7252797B2 (en) * 2003-09-22 2007-08-07 Greatbatch Ltd. Process for fabrication of low basis weight electrode active blanks
US20140030590A1 (en) * 2012-07-25 2014-01-30 Mingchao Wang Solvent-free process based graphene electrode for energy storage devices
CN108010739B (zh) 2012-10-08 2020-11-10 麦克斯威科技公司 用于三伏超级电容器的电解质
US10923707B2 (en) * 2015-06-26 2021-02-16 Florida State University Research Foundation, Inc. Dry process method for producing electrodes for electrochemical devices and electrodes for electrochemical devices
DE102017213388A1 (de) * 2017-08-02 2019-02-07 Lithium Energy and Power GmbH & Co. KG Elektrodenherstellungsverfahren mittels Binderfibrillierung mit partikulärem Fibrillierungshilfsmittel
DE102017128125B4 (de) 2017-11-28 2024-02-22 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Scheinwerfer und Betriebsverfahren
JP7665525B2 (ja) * 2019-03-29 2025-04-21 マックスウェル テクノロジーズ インコーポレイテッド 弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000173618A (ja) 1998-12-09 2000-06-23 Kawasaki Steel Corp リチウムイオン二次電池の負極用材料、負極およびリチウムイオン二次電池
JP2000182436A (ja) 1998-12-10 2000-06-30 Kureha Elastomer Kk カーボンシートおよびその製法
JP2004071517A (ja) 2002-08-05 2004-03-04 Kee:Kk 変性ポリフッ化ビニリデン含有負極用コンパウンド
JP2006332626A (ja) 2005-04-25 2006-12-07 Power System:Kk 電気二重層キャパシタ用正電極及びその製造方法
US20110262803A1 (en) 2008-03-27 2011-10-27 Zpower, Inc. Electrodes and Electrochemical Cells Employing the Same
JP2017517862A (ja) 2014-04-18 2017-06-29 マックスウェル テクノロジーズ インコーポレイテッド エネルギー貯蔵装置の乾式電極とその製造方法
WO2016084864A1 (ja) 2014-11-25 2016-06-02 東洋炭素株式会社 膨張黒鉛シート及びその膨張黒鉛シートを用いた電池
JP2021504877A (ja) 2017-11-22 2021-02-15 マックスウェル テクノロジーズ インコーポレイテッド 改善された性能を有するエネルギー貯蔵装置についての組成および方法
JP2021523531A (ja) 2018-05-14 2021-09-02 マックスウェル テクノロジーズ インコーポレイテッド バインダ含有量が低減された乾燥電極フィルムの組成物及び方法

Also Published As

Publication number Publication date
WO2020205447A1 (en) 2020-10-08
JP2022527458A (ja) 2022-06-02
EP3948985A1 (en) 2022-02-09
US12512475B2 (en) 2025-12-30
CN113939925A (zh) 2022-01-14
JP2025038132A (ja) 2025-03-18
US20200313193A1 (en) 2020-10-01
US20260094835A1 (en) 2026-04-02
KR20210143777A (ko) 2021-11-29

Similar Documents

Publication Publication Date Title
JP7665525B2 (ja) 弾性ポリマーバインダを含む乾燥電極フィルムのための組成物及び方法
US12394774B2 (en) Compositions and methods for dry electrode films having reduced binder content
JP7783868B2 (ja) 微粒子状非フィブリル化バインダを含む乾式電極フィルムのための組成物および方法
US12374692B2 (en) Compositions and methods for parallel processing of electrode film mixtures
US20250174658A1 (en) Compositions and methods for silicon containing dry anode films
JP2023182616A (ja) エネルギー貯蔵装置のための非水性溶媒電解質組成物
CN121964513A (zh) 用于包含弹性聚合物粘结剂的干电极膜的组合物和方法
HK40062209A (en) Compositions and methods for dry electrode films including elastic polymer binders

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230309

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230309

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20240408

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240423

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240527

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20240903

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20241218

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20241218

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: 20250401

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250409

R150 Certificate of patent or registration of utility model

Ref document number: 7665525

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150