JP4700918B2 - 燃料電池 - Google Patents
燃料電池 Download PDFInfo
- Publication number
- JP4700918B2 JP4700918B2 JP2004042746A JP2004042746A JP4700918B2 JP 4700918 B2 JP4700918 B2 JP 4700918B2 JP 2004042746 A JP2004042746 A JP 2004042746A JP 2004042746 A JP2004042746 A JP 2004042746A JP 4700918 B2 JP4700918 B2 JP 4700918B2
- Authority
- JP
- Japan
- Prior art keywords
- outer peripheral
- electrode
- side electrode
- convex portion
- electrolyte membrane
- 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.)
- Expired - Fee Related
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
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0232—Metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0234—Carbonaceous material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0297—Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0276—Sealing means characterised by their form
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Materials Engineering (AREA)
- Fuel Cell (AREA)
Description
16、18…金属セパレータ 20a…酸化剤ガス供給連通孔
20b…酸化剤ガス排出連通孔 22a…冷却媒体供給連通孔
22b…冷却媒体排出連通孔 24a…燃料ガス供給連通孔
24b…燃料ガス排出連通孔 26…固体高分子電解質膜
28…カソード側電極 30…アノード側電極
32a、32b…電極触媒層 34a、34b…ガス拡散層
36…酸化剤ガス流路 36a、38a、48a…溝部
36b、38b、48b、76、80…凸部
38…冷却媒体流路
40a、40b、50a、50b…突起部
42a、52a、78、82…外周凸部
42b、52b…凹部 46、54…シール部材
48…燃料ガス流路
Claims (3)
- 電解質膜の両側にそれぞれ電極触媒層を含むアノード側電極及びカソード側電極が設けられた電解質膜・電極構造体を、一対のセパレータで挟持するとともに、一方のセパレータは、前記カソード側電極との間に酸化剤ガスを供給する酸化剤ガス流路を設け、他方のセパレータは、前記アノード側電極との間に燃料ガスを供給する燃料ガス流路を設ける燃料電池であって、
前記アノード側電極の前記電極触媒層の外周及び前記カソード側電極の前記電極触媒層の外周には、それぞれ前記電極触媒層の外周から外方に突出するガス拡散層と前記電解質膜とを接着する接着層が設けられ、
前記一方のセパレータは、前記酸化剤ガス流路の外側に形成される第1外周凸部と、
前記第1外周凸部より外周側に形成され且つ該第1外周凸部よりも前記電解質膜・電極構造体から積層方向に離間する外周端部とを備え、該外周端部には第1シール部材が周回して一体化されており、
前記他方のセパレータは、前記燃料ガス流路の外側に形成される第2外周凸部と、
前記第2外周凸部より外周側に形成され且つ該第2外周凸部よりも前記電解質膜・電極構造体から積層方向に離間する外周端部とを備え、該外周端部には第2シール部材が周回して一体化されており、
前記第1及び第2外周凸部は、前記カソード側電極及び前記アノード側電極に接触する接触幅内で前記電極触媒層の外周端部と前記接着層とを挟持することを特徴とする燃料電池。 - 請求項1記載の燃料電池において、前記第1外周凸部が前記カソード側電極に接触する接触幅は、前記酸化剤ガス流路の内側に形成される第1凸部が前記カソード側電極に接触する接触幅よりも広く設定される一方、
前記第2外周凸部が前記アノード側電極に接触する接触幅は、前記燃料ガス流路の内側に形成される第2凸部が前記アノード側電極に接触する接触幅よりも広く設定されることを特徴とする燃料電池。 - 請求項1又は2記載の燃料電池において、前記アノード側電極の前記電極触媒層の外周端部と、前記カソード側電極の前記電極触媒層の外周端部とは、前記電解質膜を挟んで互いに異なる位置に配置されることを特徴とする燃料電池。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004042746A JP4700918B2 (ja) | 2004-02-19 | 2004-02-19 | 燃料電池 |
CA2497018A CA2497018C (en) | 2004-02-19 | 2005-02-14 | Fuel cell |
DE102005007353A DE102005007353B4 (de) | 2004-02-19 | 2005-02-17 | Brennstoffzelle |
US11/061,189 US7531265B2 (en) | 2004-02-19 | 2005-02-17 | Fuel cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004042746A JP4700918B2 (ja) | 2004-02-19 | 2004-02-19 | 燃料電池 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010020386A Division JP4701304B2 (ja) | 2010-02-01 | 2010-02-01 | 燃料電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005235554A JP2005235554A (ja) | 2005-09-02 |
JP4700918B2 true JP4700918B2 (ja) | 2011-06-15 |
Family
ID=34836450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004042746A Expired - Fee Related JP4700918B2 (ja) | 2004-02-19 | 2004-02-19 | 燃料電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7531265B2 (ja) |
JP (1) | JP4700918B2 (ja) |
CA (1) | CA2497018C (ja) |
DE (1) | DE102005007353B4 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006066391A (ja) * | 2004-07-30 | 2006-03-09 | Sumitomo Chemical Co Ltd | 固体高分子形燃料電池 |
KR100626034B1 (ko) * | 2004-11-13 | 2006-09-20 | 삼성에스디아이 주식회사 | 바이폴라 플레이트 및 직접액체연료전지 스택 |
JP2007059330A (ja) * | 2005-08-26 | 2007-03-08 | Mitsubishi Electric Corp | 固体高分子形燃料電池 |
DE102005057045B4 (de) * | 2005-11-30 | 2015-06-03 | Daimler Ag | Bipolarplatte und deren Verwendung in einer Brennstoffzelleneinheit |
JP5077620B2 (ja) * | 2005-12-16 | 2012-11-21 | トヨタ自動車株式会社 | 燃料電池のセパレータ |
CN101395751B (zh) * | 2006-03-08 | 2012-05-02 | 丰田自动车株式会社 | 电池层叠体和设有所述电池层叠体的燃料电池 |
JP5082313B2 (ja) * | 2006-07-12 | 2012-11-28 | 日産自動車株式会社 | 燃料電池のセパレータ構造 |
JP5082312B2 (ja) * | 2006-07-12 | 2012-11-28 | 日産自動車株式会社 | 燃料電池のセパレータ構造 |
JP2008034278A (ja) * | 2006-07-31 | 2008-02-14 | Toyota Motor Corp | 燃料電池 |
DE102006059857A1 (de) * | 2006-12-15 | 2008-06-19 | Behr Gmbh & Co. Kg | Bipolarplatte, insbesondere für eine Brennstoffzelle |
JP4903770B2 (ja) * | 2008-11-26 | 2012-03-28 | 本田技研工業株式会社 | 燃料電池 |
JP4701304B2 (ja) * | 2010-02-01 | 2011-06-15 | 本田技研工業株式会社 | 燃料電池 |
US9391332B2 (en) | 2010-12-31 | 2016-07-12 | Industrial Technology Research Institute | Fluid flow plate assemblies for use in fuel cells having flow channels with substantially same length |
EP2675005A1 (en) | 2012-06-11 | 2013-12-18 | HTceramix S.A. | Gas distribution element for a fuel cell |
EP2675007A1 (en) * | 2012-06-11 | 2013-12-18 | HTceramix S.A. | A gas flow dividing element |
EP2675006A1 (en) | 2012-06-11 | 2013-12-18 | HTceramix S.A. | Gas distribution element with a supporting layer |
JP5829203B2 (ja) * | 2012-12-03 | 2015-12-09 | 本田技研工業株式会社 | 燃料電池 |
KR102371046B1 (ko) * | 2016-07-15 | 2022-03-07 | 현대자동차주식회사 | 연료전지용 엔드셀 히터 |
JP7189504B2 (ja) * | 2019-02-19 | 2022-12-14 | スズキ株式会社 | 燃料電池装置 |
DE102019002310A1 (de) * | 2019-03-29 | 2020-10-01 | Daimler Ag | Separatorplatte für eine Brennstoffzelle |
DE102020114305A1 (de) | 2020-05-28 | 2021-12-02 | Audi Aktiengesellschaft | Bipolarplatte |
DE102020128310A1 (de) | 2020-10-28 | 2022-04-28 | Audi Aktiengesellschaft | Bipolarplatte und Brennstoffzellenstapel |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06267556A (ja) * | 1993-03-10 | 1994-09-22 | Mitsubishi Electric Corp | 電気化学デバイスとその製造方法及び流体流路 |
JPH11204122A (ja) * | 1998-01-19 | 1999-07-30 | Toshiba Corp | 固体高分子電解質型燃料電池 |
JP2000223136A (ja) * | 1999-01-27 | 2000-08-11 | Aisin Seiki Co Ltd | 燃料電池用固体高分子電解質膜およびその製造方法および燃料電池 |
JP2001319667A (ja) * | 2000-05-02 | 2001-11-16 | Honda Motor Co Ltd | 燃料電池 |
JP2002025587A (ja) * | 2000-05-02 | 2002-01-25 | Honda Motor Co Ltd | 燃料電池 |
JP2002208412A (ja) * | 2001-01-09 | 2002-07-26 | Matsushita Electric Ind Co Ltd | 高分子電解質型燃料電池 |
JP2002367624A (ja) * | 2001-06-12 | 2002-12-20 | Honda Motor Co Ltd | 燃料電池 |
JP2002373678A (ja) * | 2001-06-15 | 2002-12-26 | Toyota Motor Corp | 燃料電池および燃料電池におけるガスの供給方法 |
JP2003068323A (ja) * | 2001-08-29 | 2003-03-07 | Honda Motor Co Ltd | 膜・電極構造体及び燃料電池 |
JP2003217613A (ja) * | 2002-01-25 | 2003-07-31 | Nissan Motor Co Ltd | 燃料電池 |
JP2004172096A (ja) * | 2002-10-29 | 2004-06-17 | Honda Motor Co Ltd | 膜−電極構造体 |
JP2004214019A (ja) * | 2002-12-27 | 2004-07-29 | Nissan Motor Co Ltd | 燃料電池 |
JP2005209605A (ja) * | 2003-12-24 | 2005-08-04 | Honda Motor Co Ltd | 電解質膜・電極構造体及び燃料電池 |
JP2010123579A (ja) * | 2010-02-01 | 2010-06-03 | Honda Motor Co Ltd | 燃料電池 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5187025A (en) * | 1992-02-03 | 1993-02-16 | Analytic Power Corp. | Unitized fuel cell structure |
JP3553101B2 (ja) | 1993-03-15 | 2004-08-11 | 三菱重工業株式会社 | 固体高分子電解質燃料電池 |
JPH07220742A (ja) * | 1994-01-27 | 1995-08-18 | Matsushita Electric Ind Co Ltd | 固体高分子電解質型燃料電池及び該燃料電池の電極−イオン交換膜接合体の製造方法 |
JP4232286B2 (ja) | 1999-09-03 | 2009-03-04 | 三菱電機株式会社 | 燃料電池 |
JP3571687B2 (ja) * | 2000-12-07 | 2004-09-29 | 本田技研工業株式会社 | シール一体型セパレータの製造方法 |
JP3830766B2 (ja) * | 2001-03-09 | 2006-10-11 | 本田技研工業株式会社 | 燃料電池および燃料電池スタック |
US20030082430A1 (en) * | 2001-10-25 | 2003-05-01 | Daisuke Suzuki | Fuel cell gasket assembly and method of making |
JP4351431B2 (ja) * | 2002-10-28 | 2009-10-28 | 本田技研工業株式会社 | 燃料電池スタック |
JP3658391B2 (ja) * | 2002-12-25 | 2005-06-08 | 本田技研工業株式会社 | 燃料電池 |
JP4109570B2 (ja) | 2003-05-08 | 2008-07-02 | 本田技研工業株式会社 | 燃料電池 |
CA2477358C (en) | 2003-08-22 | 2012-03-27 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte fuel cell |
-
2004
- 2004-02-19 JP JP2004042746A patent/JP4700918B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-14 CA CA2497018A patent/CA2497018C/en not_active Expired - Fee Related
- 2005-02-17 DE DE102005007353A patent/DE102005007353B4/de not_active Expired - Fee Related
- 2005-02-17 US US11/061,189 patent/US7531265B2/en active Active
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06267556A (ja) * | 1993-03-10 | 1994-09-22 | Mitsubishi Electric Corp | 電気化学デバイスとその製造方法及び流体流路 |
JPH11204122A (ja) * | 1998-01-19 | 1999-07-30 | Toshiba Corp | 固体高分子電解質型燃料電池 |
JP2000223136A (ja) * | 1999-01-27 | 2000-08-11 | Aisin Seiki Co Ltd | 燃料電池用固体高分子電解質膜およびその製造方法および燃料電池 |
JP2001319667A (ja) * | 2000-05-02 | 2001-11-16 | Honda Motor Co Ltd | 燃料電池 |
JP2002025587A (ja) * | 2000-05-02 | 2002-01-25 | Honda Motor Co Ltd | 燃料電池 |
JP2002208412A (ja) * | 2001-01-09 | 2002-07-26 | Matsushita Electric Ind Co Ltd | 高分子電解質型燃料電池 |
JP2002367624A (ja) * | 2001-06-12 | 2002-12-20 | Honda Motor Co Ltd | 燃料電池 |
JP2002373678A (ja) * | 2001-06-15 | 2002-12-26 | Toyota Motor Corp | 燃料電池および燃料電池におけるガスの供給方法 |
JP2003068323A (ja) * | 2001-08-29 | 2003-03-07 | Honda Motor Co Ltd | 膜・電極構造体及び燃料電池 |
JP2003217613A (ja) * | 2002-01-25 | 2003-07-31 | Nissan Motor Co Ltd | 燃料電池 |
JP2004172096A (ja) * | 2002-10-29 | 2004-06-17 | Honda Motor Co Ltd | 膜−電極構造体 |
JP2004214019A (ja) * | 2002-12-27 | 2004-07-29 | Nissan Motor Co Ltd | 燃料電池 |
JP2005209605A (ja) * | 2003-12-24 | 2005-08-04 | Honda Motor Co Ltd | 電解質膜・電極構造体及び燃料電池 |
JP2010123579A (ja) * | 2010-02-01 | 2010-06-03 | Honda Motor Co Ltd | 燃料電池 |
Also Published As
Publication number | Publication date |
---|---|
DE102005007353B4 (de) | 2007-12-13 |
CA2497018A1 (en) | 2005-08-19 |
JP2005235554A (ja) | 2005-09-02 |
US7531265B2 (en) | 2009-05-12 |
CA2497018C (en) | 2011-07-26 |
DE102005007353A1 (de) | 2005-09-08 |
US20050186464A1 (en) | 2005-08-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4700918B2 (ja) | 燃料電池 | |
JP4067371B2 (ja) | 燃料電池 | |
JP4634933B2 (ja) | 燃料電池 | |
US7977003B2 (en) | Fuel cell | |
JP5060143B2 (ja) | 燃料電池スタック | |
JP5334469B2 (ja) | 燃料電池スタック | |
JP4268536B2 (ja) | 燃料電池 | |
JP2004172094A (ja) | 燃料電池 | |
JP4562501B2 (ja) | 燃料電池 | |
JP2010055858A (ja) | 燃料電池スタック | |
JP4081432B2 (ja) | 燃料電池 | |
JP2004265824A (ja) | 燃料電池 | |
JP2004207074A (ja) | 燃料電池 | |
JP4121340B2 (ja) | 燃料電池 | |
JP4214027B2 (ja) | 燃料電池 | |
JP4803957B2 (ja) | 内部マニホールド型燃料電池 | |
JP4266338B2 (ja) | 燃料電池 | |
JP4516403B2 (ja) | 燃料電池 | |
JP2004335179A (ja) | 燃料電池 | |
JP4701304B2 (ja) | 燃料電池 | |
JP6748451B2 (ja) | 燃料電池スタック | |
JP3866246B2 (ja) | 燃料電池 | |
JP2004281089A (ja) | 燃料電池 | |
JP2004087318A (ja) | 燃料電池 | |
JP4262497B2 (ja) | 燃料電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20061128 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090410 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090414 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090615 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091201 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100201 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101214 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110214 |
|
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: 20110301 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110307 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4700918 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |