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Yasuhiro Hirano
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Hachioji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for converting number of frames of image signals
Patent number
6,611,294
Issue date
Aug 26, 2003
Hitachi, Ltd.
Yasuhiro Hirano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit for scan conversion of picture signal using motion compensa...
Patent number
6,509,930
Issue date
Jan 21, 2003
Hitachi, Ltd.
Yasuhiro Hirano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and circuit for signal processing of format conversion of pi...
Patent number
6,144,412
Issue date
Nov 7, 2000
Hitachi, Ltd.
Yasuhiro Hirano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Controlling apparatus for induction motor
Patent number
5,021,724
Issue date
Jun 4, 1991
Hitachi, Ltd.
Yasuhiro Hirano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
High resolution color television signal transmission system and rec...
Patent number
4,885,631
Issue date
Dec 5, 1989
Hitachi, Ltd.
Takahiko Fukinuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Television signal processing system
Patent number
4,745,458
Issue date
May 17, 1988
Hitachi, Ltd.
Yasuhiro Hirano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video signal decoding circuit
Patent number
4,409,627
Issue date
Oct 11, 1983
Hitachi Denshi Kabushiki Kaisha
Yoshizumi Eto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for magnetic recording and reproduction of dig...
Patent number
4,367,495
Issue date
Jan 4, 1983
Hitachi Denshi Kabushiki Kaisha
Seiichi Mita
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Security system and security apparatus
Publication number
20020187791
Publication date
Dec 12, 2002
Hitachi, Ltd.
Masutomi Ohta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Domestic electrical apparatus, subscriber registering method, order...
Publication number
20020116342
Publication date
Aug 22, 2002
Yasuhiro Hirano
G06 - COMPUTING CALCULATING COUNTING