JP7284194B2 - 金属酸化物ベースの電極組成物 - Google Patents

金属酸化物ベースの電極組成物 Download PDF

Info

Publication number
JP7284194B2
JP7284194B2 JP2020568411A JP2020568411A JP7284194B2 JP 7284194 B2 JP7284194 B2 JP 7284194B2 JP 2020568411 A JP2020568411 A JP 2020568411A JP 2020568411 A JP2020568411 A JP 2020568411A JP 7284194 B2 JP7284194 B2 JP 7284194B2
Authority
JP
Japan
Prior art keywords
working electrode
tungsten oxide
electrochemical cell
electrode
niobium tungsten
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
JP2020568411A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021527306A5 (https=
JP2021527306A (ja
Inventor
クレア・グレイ
ケント・グリフィス
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.)
Cambridge Enterprise Ltd
Original Assignee
Cambridge Enterprise Ltd
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
Priority claimed from GBGB1809467.2A external-priority patent/GB201809467D0/en
Priority claimed from GBGB1905218.2A external-priority patent/GB201905218D0/en
Application filed by Cambridge Enterprise Ltd filed Critical Cambridge Enterprise Ltd
Publication of JP2021527306A publication Critical patent/JP2021527306A/ja
Publication of JP2021527306A5 publication Critical patent/JP2021527306A5/ja
Application granted granted Critical
Publication of JP7284194B2 publication Critical patent/JP7284194B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • 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
    • 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
    • H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/48—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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G39/00—Compounds of molybdenum
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of tungsten
    • 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
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • H01M4/623—Binders being polymers fluorinated 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
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Organic Chemistry (AREA)
  • Secondary Cells (AREA)
JP2020568411A 2018-06-08 2019-06-07 金属酸化物ベースの電極組成物 Active JP7284194B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB1809467.2 2018-06-08
GBGB1809467.2A GB201809467D0 (en) 2018-06-08 2018-06-08 Electrode compositions
GBGB1905218.2A GB201905218D0 (en) 2019-04-12 2019-04-12 Eletrode compositions
GB1905218.2 2019-04-12
PCT/EP2019/065040 WO2019234248A1 (en) 2018-06-08 2019-06-07 Metal oxide-based electrode compositions

Publications (3)

Publication Number Publication Date
JP2021527306A JP2021527306A (ja) 2021-10-11
JP2021527306A5 JP2021527306A5 (https=) 2021-11-18
JP7284194B2 true JP7284194B2 (ja) 2023-05-30

Family

ID=66999787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020568411A Active JP7284194B2 (ja) 2018-06-08 2019-06-07 金属酸化物ベースの電極組成物

Country Status (8)

Country Link
US (1) US12074300B2 (https=)
EP (1) EP3804005B1 (https=)
JP (1) JP7284194B2 (https=)
KR (1) KR102768443B1 (https=)
CN (1) CN112585780B (https=)
AU (1) AU2019283439B2 (https=)
CA (1) CA3137220A1 (https=)
WO (1) WO2019234248A1 (https=)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7490942B2 (ja) * 2019-10-09 2024-05-28 株式会社Ｇｓユアサ 蓄電素子用の負極活物質、蓄電素子用の負極、蓄電素子及び蓄電素子の使用方法
KR20220103946A (ko) 2019-10-18 2022-07-25 에키온 테크놀러지스 리미티드 리튬/나트륨 이온 전지 애노드 물질
GB202013576D0 (en) * 2020-08-28 2020-10-14 Echion Tech Limited Active electrode material
GB202104713D0 (en) 2021-04-01 2021-05-19 Echion Tech Limited Active electrode material
GB2595761B (en) 2020-06-03 2022-07-13 Echion Tech Limited Active electrode material
US11799077B2 (en) 2020-06-03 2023-10-24 Echion Technologies Limited Active electrode material
CN111785917B (zh) * 2020-07-31 2023-03-24 武汉理工大学 铌钨氧化物电极材料及其制备和应用
CN112430089B (zh) * 2020-11-03 2022-09-30 桂林理工大学 一种ReO3剪切结构MoNb6O18材料的制备方法及其应用
WO2022124460A1 (ko) * 2020-12-10 2022-06-16 엘티메탈 주식회사 몰리브덴 산화물을 주된 성분으로 하는 금속 산화물 소결체 및 이를 포함하는 스퍼터링 타겟{metal oxide sintered body containing molybdenum oxide as the main component and sputtering target comprising the same}
JP7347454B2 (ja) * 2021-02-04 2023-09-20 トヨタ自動車株式会社 負極活物質層
EP4059892B1 (en) * 2021-03-17 2023-12-13 Kabushiki Kaisha Toshiba Active material, electrode, secondary battery, battery pack, and vehicle
CN113651361A (zh) * 2021-06-30 2021-11-16 桂林理工大学 一种钨铌复合氧化物的制备方法及其应用
KR102937468B1 (ko) * 2021-07-02 2026-03-12 에스케이온 주식회사 급속 충전 성능이 개선된 이차전지용 음극 및 이를 포함하는 이차전지
CN113684030B (zh) * 2021-08-25 2023-10-20 淮阴师范学院 一种光学温度传感用高灵敏度荧光粉材料及其制备方法
GB2614038A (en) 2021-11-03 2023-06-28 Nyobolt Ltd High-rate battery system
WO2023111339A1 (en) 2021-12-17 2023-06-22 Nyobolt Limited Charging device for batteries
JP7822778B2 (ja) * 2021-12-22 2026-03-03 株式会社東芝 二次電池、電池パック、及び車両
GB202217380D0 (en) 2022-11-21 2023-01-04 Nyobolt Ltd Charging and discharging system
GB2625253B (en) 2022-12-05 2025-07-23 Nyobolt Ltd Power Distribution Device
GB2625362A (en) * 2022-12-15 2024-06-19 Nyobolt Ltd Niobium metal oxide
CN116495781B (zh) * 2023-03-20 2024-06-14 福州大学 一种钼掺杂铌钨复合氧化物纳米粉体的制备方法及其产品和应用
GB2634490B (en) 2023-07-21 2025-10-15 Nyobolt Ltd Battery System
GB2635521A (en) 2023-11-15 2025-05-21 Nyobolt Ltd Power controller
GB2636797A (en) 2023-12-21 2025-07-02 Nyobolt Ltd Current control module
GB202401812D0 (en) * 2024-02-09 2024-03-27 Echion Tech Limited Active electrode material
JP2025139216A (ja) * 2024-03-12 2025-09-26 株式会社東芝 活物質、電極、二次電池、電池パック、及び車両
CN118335965B (zh) * 2024-04-12 2025-11-11 中国矿业大学 铌钨氧化物材料在制备热电池正极材料中的应用

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006172900A (ja) 2004-12-16 2006-06-29 Hitachi Maxell Ltd 非水電解液二次電池
JP2013131429A (ja) 2011-12-22 2013-07-04 Panasonic Corp 非水電解液二次電池
US20180115022A1 (en) 2016-10-25 2018-04-26 Camx Power Llc Electrically restorable rechargeable battery, and methods of manufacture and methods of operating the battery

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542083A (en) 1982-06-01 1985-09-17 At&T Bell Laboratories Nonaqueous cell using mixed metal oxide positive electrode
FR2527842B1 (fr) * 1982-06-01 1992-02-07 Western Electric Co Element de pile ou d'accumulateur non aqueux utilisant une electrode positive en oxydes metalliques melanges
US6391496B1 (en) * 1999-03-25 2002-05-21 Sanyo Electric Co., Ltd. Lithium secondary battery with orthorhombic molybdenum and niobium oxide electrodes
US9196901B2 (en) 2010-06-14 2015-11-24 Lee Se-Hee Lithium battery electrodes with ultra-thin alumina coatings
US9384904B2 (en) 2012-04-06 2016-07-05 Semiconductor Energy Laboratory Co., Ltd. Negative electrode for power storage device, method for forming the same, and power storage device
US10256461B2 (en) 2012-09-25 2019-04-09 Sanyo Electric Co., Ltd. Nonaqueous electrolyte secondary battery and positive electrode active material for nonaqueous electrolyte secondary batteries
US9806338B2 (en) 2013-08-23 2017-10-31 Ut-Battele, Llc Nanoporous titanium niobium oxide and titanium tantalum oxide compositions and their use in anodes of lithium ion batteries
EP2999032B1 (en) 2014-09-18 2017-08-09 Kabushiki Kaisha Toshiba Active material, nonaqueous electrolyte battery, and battery pack
US12401042B2 (en) 2015-06-01 2025-08-26 Forge Nano Inc. Nano-engineered coatings for anode active materials, cathode active materials, and solid-state electrolytes and methods of making batteries containing nano-engineered coatings
JP6066141B1 (ja) * 2015-07-24 2017-01-25 住友電気工業株式会社 レドックスフロー電池用電極、レドックスフロー電池、及び電極の特性評価方法
CN106558692A (zh) * 2015-09-30 2017-04-05 中国科学院大连化学物理研究所 一种锂电池用负极及其制备和应用
JP6338116B2 (ja) 2015-11-12 2018-06-06 トヨタ自動車株式会社 非水電解液二次電池
CN108604708A (zh) * 2016-02-29 2018-09-28 松下知识产权经营株式会社 非水电解质二次电池
JP6540569B2 (ja) 2016-03-23 2019-07-10 トヨタ自動車株式会社 リチウムイオン電池及びその製造方法
JP6708193B2 (ja) 2017-09-28 2020-06-10 日亜化学工業株式会社 非水電解質二次電池用正極活物質及びその製造方法
US20190148719A1 (en) 2017-11-14 2019-05-16 Panasonic Intellectual Property Management Co., Ltd. Electrode material including active material particles containing nickel and cover layers containing niobium, and battery using the same
JP6744880B2 (ja) 2018-02-06 2020-08-19 Ｊｘ金属株式会社 リチウムイオン電池用正極活物質、リチウムイオン電池用正極活物質の製造方法、リチウムイオン電池用正極及びリチウムイオン電池
CN109928750A (zh) * 2018-10-15 2019-06-25 武汉瑞科美新能源有限责任公司 一种高倍率铌钨氧化物快充电极材料及其制备方法和应用
CN109244443A (zh) * 2018-11-13 2019-01-18 瑞声科技（南京）有限公司 锂离子电池负极材料及非水电解质电池
GB2592341B (en) * 2019-10-16 2022-10-19 Nyobolt Ltd Electrode compositions
GB2588264B (en) * 2019-10-18 2021-11-24 Echion Tech Limited Active electrode material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006172900A (ja) 2004-12-16 2006-06-29 Hitachi Maxell Ltd 非水電解液二次電池
JP2013131429A (ja) 2011-12-22 2013-07-04 Panasonic Corp 非水電解液二次電池
US20180115022A1 (en) 2016-10-25 2018-04-26 Camx Power Llc Electrically restorable rechargeable battery, and methods of manufacture and methods of operating the battery

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Cava, R. J. et al.，Lithium insertion in Wadsley-Roth phases based on niobium oxide，Journal of the Electrochemical Society，1983年，130(12)，PP.2345-2351

Also Published As

Publication number Publication date
CA3137220A1 (en) 2019-12-12
KR20210021351A (ko) 2021-02-25
AU2019283439A1 (en) 2021-01-28
EP3804005B1 (en) 2023-07-19
CN112585780B (zh) 2024-10-29
US12074300B2 (en) 2024-08-27
EP3804005C0 (en) 2023-07-19
CN112585780A (zh) 2021-03-30
WO2019234248A1 (en) 2019-12-12
BR112020024947A2 (pt) 2021-03-09
EP3804005A1 (en) 2021-04-14
KR102768443B1 (ko) 2025-02-17
JP2021527306A (ja) 2021-10-11
AU2019283439B2 (en) 2024-10-10
US20210218075A1 (en) 2021-07-15

Similar Documents

Publication Publication Date Title
JP7284194B2 (ja) 金属酸化物ベースの電極組成物
KR20220083753A (ko) 전극 조성물
KR20170075661A (ko) 리튬 이차전지용 음극활물질 및 이를 포함하는 리튬 이차전지용 음극
Wang et al. Understanding and suppressing the destructive cobalt (II) species in graphite interphase
US20140247016A1 (en) Method of making lithium ion batteries
Lakhdar et al. Toward higher-power Li-ion batteries: Unravelling kinetics and thermodynamics of MoNb12O33 vs. NMC622
Wang et al. Manganese dissolution from LiMn2O4 cathodes at elevated temperature: methylene methanedisulfonate as electrolyte additive
JP5665896B2 (ja) 活物質材料およびリチウムイオン電池
AU2007259117A1 (en) Process for modifying the interfacial resistance of a metallic lithium electrode
Lisovskyi et al. An effective modification of LiNi0. 6Co0. 2Mn0. 2O2 with Li1. 3Al0. 3Ti1. 7 (PO4) 3 as a high-performance cathode material for Li-ion batteries
Anconina et al. Electrophoretically deposited artificial cathode electrolyte interphase for improved performance of NMC622 at high voltage operation
Zheng et al. Synthesis and electrochemical performance of a LiMn1. 83Co0. 17O4 shell/LiMn2O4 core cathode material
Xiao et al. Layered LiNi0. 80Co0. 15Al0. 05O2 as cathode material for hybrid Li+/Na+ batteries
CN105439200B (zh) 负极活性物质、钠离子电池和锂离子电池
RU2796374C2 (ru) Составы электрода на основе оксида металлов
HK40046601B (en) Metal oxide-based electrode compositions
HK40046601A (en) Metal oxide-based electrode compositions
JP2016201223A (ja) 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
Li Understanding Interfacial Reactions Initiating on Electrode Materials for Energy Storage Technologies
Song Investigating and addressing the degradation mechanisms in silicon-based anodes for lithium-ion batteries
Wagner Rest in phase transition: Should charging habits in next generation EVs be adapted?
BR112020024947B1 (pt) Método de carregar e/ou descarregar uma célula eletroquímica, célula eletroquímica compreendendo um eletrodo de trabalho e bateria de íon de lítio
HK40076179A (en) Electrode compositions
JP2015028949A (ja) 非水電解質二次電池
JP2013069698A (ja) 非水電解質二次電池

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210901

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210901

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20220921

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20221003

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221228

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: 20230424

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230518

R150 Certificate of patent or registration of utility model

Ref document number: 7284194

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250