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Nobue Kataoka
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Kanagawa, JP
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last 30 patents
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Patent Grant
Liquid crystal element having polarization moderating properties
Patent number
6,297,865
Issue date
Oct 2, 2001
Sony Corporation
Eriko Matsui
G02 - OPTICS
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Patent Grant
Driving method for liquid crystal device
Patent number
6,072,455
Issue date
Jun 6, 2000
Sony Corporation
Eriko Matsui
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Optical device having an optically transparent birefringent medium...
Patent number
5,659,411
Issue date
Aug 19, 1997
Sony Corporation
Keiichi Nito
G02 - OPTICS