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Yoshikiyo Futagawa
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Shiojiri, JP
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last 30 patents
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Patent Grant
Liquid crystal display device
Patent number
4,617,563
Issue date
Oct 14, 1986
Seiko Epson Kabushiki Kaisha
Hitoshi Fujiwara
G02 - OPTICS
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Patent Grant
Digital display drive and voltage divider circuit
Patent number
4,168,498
Issue date
Sep 18, 1979
Kabushiki Kaisha Suwa Seikosha
Kanemitsu Kubota
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS