Kazuhiro Arakawa

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Key input device
- Patent number 4,646,062
- Issue date Feb 24, 1987
- Canon Kabushiki Kaisha
- Kazuhiro Arakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Liquid crystal display keyboard
- Patent number 4,527,862
- Issue date Jul 9, 1985
- Canon Kabushiki Kaisha
- Kazuhiro Arakawa
- G06 - COMPUTING CALCULATING COUNTING