Satoru Yazawa

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Suwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal video display device having pulse-width modulated "O...
- Patent number 4,743,096
- Issue date May 10, 1988
- Seiko Epson Kabushiki Kaisha
- Yoichi Wakai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device having diffusely reflective picture e...
- Patent number 4,648,691
- Issue date Mar 10, 1987
- Seiko Epson Kabushiki Kaisha
- Koichi Oguchi
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 4,431,272
- Issue date Feb 14, 1984
- Kabushiki Kaisha Suwa Seikosha
- Satoru Yazawa
- G02 - OPTICS
Information Patent Grant
Liquid crystal display system
- Patent number 4,429,305
- Issue date Jan 31, 1984
- Kabushiki, Kaisha Suwa Seikosha
- Minoru Hosokawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display systems
- Patent number 4,393,380
- Issue date Jul 12, 1983
- Kabushiki Kaisha Suwa Seikosha
- Minoru Hosokawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS