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Hidemine Yamanaka
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Yamato, JP
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last 30 patents
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Patent Grant
Liquid crystal display device with improved blocking ability of fra...
Patent number
5,521,728
Issue date
May 28, 1996
International Business Machines Corporation
Manabu Kodate
G02 - OPTICS
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Patent Grant
Color filter and method of fabricating a color filter
Patent number
5,374,493
Issue date
Dec 20, 1994
International Business Machines Corporation
Tetsuya Fukunaga
G02 - OPTICS
Information
Patent Grant
Active matrix liquid crystal display device having two light shield...
Patent number
5,345,324
Issue date
Sep 6, 1994
International Business Machines Corporation
Toshihiko Koseki
G02 - OPTICS