Keisuke Kigawa

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Small portable instrument
- Patent number 7,138,473
- Issue date Nov 21, 2006
- Citizen Watch Co., Ltd.
- Keisuke Kigawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Magnetic head slider manufacturing method
- Patent number 6,287,475
- Issue date Sep 11, 2001
- Citizen Watch Co., Ltd.
- Nobuto Fukushima
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Small portable instrument
- Publication number 20030102639
- Publication date Jun 5, 2003
- Keisuke Kigawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...