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Hitachi, JP
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last 30 patents
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Patent Grant
Light-emitting element array driver circuit
Patent number
5,138,310
Issue date
Aug 11, 1992
Hitachi, Ltd.
Hideo Hirane
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Light-emitting element array driver circuit
Patent number
4,967,192
Issue date
Oct 30, 1990
Hitachi, Ltd.
Hideo Hirane
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical printer head with a light emitting diode array
Patent number
4,905,021
Issue date
Feb 27, 1990
Hitachi Cable, Ltd.
Hisao Iizuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical printer head with a light emitting diode array
Patent number
4,829,321
Issue date
May 9, 1989
Hitachi Cable, Ltd.
Hisao Iizuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Single-polarization fiber optics magnetic sensor
Patent number
4,584,470
Issue date
Apr 22, 1986
Hitachi Cable Limited
Hisao Iizuka
G01 - MEASURING TESTING