Mitsuo Matsunaga

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic member and electronic device
- Patent number 6,243,259
- Issue date Jun 5, 2001
- Casio Computer Co., Ltd.
- Eiji Yamakawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Wristwatch case with shock absorbing members on the rear side thereof
- Patent number 5,442,602
- Issue date Aug 15, 1995
- Casio Computer Co., Ltd.
- Masaaki Hirai
- G04 - HOROLOGY