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Yosihide Fujioka
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Nara, JP
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last 30 patents
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Patent Grant
Thin film EL display panel drive circuit
Patent number
5,006,838
Issue date
Apr 9, 1991
Sharp Kabushiki Kaisha
Yosihide Fujioka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Thin film el display panel drive circuit
Patent number
4,962,374
Issue date
Oct 9, 1990
Sharp Kabushiki Kaisha
Yosihide Fujioka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Driving circuit of thin membrane EL display apparatus
Patent number
4,888,523
Issue date
Dec 19, 1989
Sharp Kabushiki Kaisha
Kazuo Shoji
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS