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Junichi Tamamura
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Yao, JP
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last 30 patents
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Patent Grant
Dot-matrix liquid crystal display
Patent number
4,770,498
Issue date
Sep 13, 1988
Hosiden Electronics Co., Ltd.
Shigeo Aoki
G02 - OPTICS
Information
Patent Grant
Dot-matrix liquid crystal display
Patent number
4,740,782
Issue date
Apr 26, 1988
Hosiden Electronics Co., Ltd.
Shigeo Aoki
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
4,723,838
Issue date
Feb 9, 1988
Hosiden Electronics Co., Ltd.
Shigeo Aoki
G02 - OPTICS
Information
Patent Grant
Method of fabricating a thin film transistor array
Patent number
4,654,117
Issue date
Mar 31, 1987
Hosiden Electronics Co. Ltd.
Shigeo Aoki
G02 - OPTICS
Information
Patent Grant
Dot-matrix liquid crystal display
Patent number
4,644,338
Issue date
Feb 17, 1987
Hosiden Electronics Co., Ltd.
Shigeo Aoki
G02 - OPTICS
Information
Patent Grant
Liquid crystal display with colors from dye and polarizer mixed
Patent number
4,497,543
Issue date
Feb 5, 1985
Hosiden Electronics Co., Ltd.
Shigeo Aoki
G02 - OPTICS
Information
Patent Grant
Condenser microphone
Patent number
4,392,025
Issue date
Jul 5, 1983
Hosiden Electronics Co., Ltd.
Junichi Tamamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for frequency regulation of tuning-fork vibrator
Patent number
4,385,473
Issue date
May 31, 1983
Hosiden Electronics Co., Ltd.
Shigeo Aoki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Electrode plate electret of electro-acoustic transducer and its man...
Patent number
4,302,633
Issue date
Nov 24, 1981
Hosiden Electronics Co., Ltd.
Junichi Tamamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE