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Shigeo Sugihara
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Kunitachi, JP
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last 30 patents
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Patent Grant
Recording apparatus and method utilizing an array of liquid crystal...
Patent number
4,899,224
Issue date
Feb 6, 1990
Nippon Telegraph & Telephone Corporation
Yuji Ooba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Liquid crystal cell array and method for driving the same
Patent number
4,896,945
Issue date
Jan 30, 1990
Nippon Telegraph & Telephone Corporation
Yuji Ooba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS