Kyoichi Yamamoto

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Yamatokooriyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display unit having brightness control function
- Patent number 5,262,766
- Issue date Nov 16, 1993
- Sharp Kabushiki Kaisha
- Atsushi Sakamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for driving a capacitive flat matrix display p...
- Patent number 5,206,631
- Issue date Apr 27, 1993
- Sharp Kabushiki Kaisha
- Kyoichi Yamamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS