Naoko Yamakawa

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Battery
- Patent number 7,682,743
- Issue date Mar 23, 2010
- Sony Corporation
- Ryosuke Takagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Size AA alkaline battery
- Patent number 7,659,031
- Issue date Feb 9, 2010
- Sony Corporation
- Kuniyasu Oya
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
BATTERY
- Publication number 20070218357
- Publication date Sep 20, 2007
- SONY CORPORATION
- Ryosuke Takagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LITHIUM/IRON DISULFIDE PRIMARY CELL
- Publication number 20070202409
- Publication date Aug 30, 2007
- SONY CORPORATION
- Naoko Yamakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Size AA alkaline battery
- Publication number 20060115731
- Publication date Jun 1, 2006
- Sony Corporation
- Kuniyasu Oya
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...