Koichi Hayashizaki

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Suita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Key top and method for manufacture thereof
- Patent number 7,049,530
- Issue date May 23, 2006
- Atryz Yodogawa Co., Ltd.
- Koichi Hayashizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key top and method for manufacture thereof
- Patent number 6,770,212
- Issue date Aug 3, 2004
- Atryz Yodogawa Co., Ltd.
- Koichi Hayashizaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Key top and method for manufacture thereof
- Publication number 20020063109
- Publication date May 30, 2002
- Koichi Hayashizaki
- H01 - BASIC ELECTRIC ELEMENTS