Tsuyoshi Okawa

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cathode active material with zirconium in crystal grain boundary of...
- Patent number 9,450,244
- Issue date Sep 20, 2016
- Sony Corporation
- Kei Yonezawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Non-aqueous electrolyte secondary cell with a lithium metal phospha...
- Patent number 7,122,272
- Issue date Oct 17, 2006
- Sony Corporation
- Tsuyoshi Okawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Non-aqueous electrolyte secondary cell
- Patent number 6,656,635
- Issue date Dec 2, 2003
- Sony Corporation
- Tsuyoshi Okawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
Cathode Active Material and Battery
- Publication number 20090004567
- Publication date Jan 1, 2009
- SONY CORPORATION
- Kei Yonezawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Production methods for positive electrode active matter and non-aqu...
- Publication number 20040111873
- Publication date Jun 17, 2004
- Tsuyoshi Okawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Non-aqueous electrolyte secondary cell
- Publication number 20020106564
- Publication date Aug 8, 2002
- Tsuyoshi Okawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Non-aqueous electrolyte secondary cell
- Publication number 20020106563
- Publication date Aug 8, 2002
- Tsuyoshi Okawa
- H01 - BASIC ELECTRIC ELEMENTS