Kazuyuki Hiranaga

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Hirakata-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Coin type battery and manufacturing method thereof
- Patent number 7,588,606
- Issue date Sep 15, 2009
- Panasonic Corporation
- Tetsuya Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coin shaped battery and manufacturing method thereof
- Patent number 7,070,880
- Issue date Jul 4, 2006
- Matsushita Electric Industrial Co., Ltd.
- Tetsuya Hayashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Coin type battery and manufacturing method thereof
- Publication number 20060154143
- Publication date Jul 13, 2006
- Matsushita Electric Industrial Co., Ltd.
- Tetsuya Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Coin-shaped cell, and manufactuing method thereof
- Publication number 20040028997
- Publication date Feb 12, 2004
- Tetsuya Hayashi
- H01 - BASIC ELECTRIC ELEMENTS