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Masakazu Hamaguchi
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Video signal recording and/or reproducing apparatus for recording a...
Patent number
6,104,865
Issue date
Aug 15, 2000
Hitachi, Ltd.
Masakazu Hamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Television signal receiving apparatus incorporating an information...
Patent number
5,726,702
Issue date
Mar 10, 1998
Hitachi, Ltd.
Masakazu Hamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of and system for distributing digital audio image data
Patent number
5,699,360
Issue date
Dec 16, 1997
Hitachi, Ltd.
Masami Nishida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Television apparatus with built-in optical disk device
Patent number
5,615,019
Issue date
Mar 25, 1997
Hitachi, Ltd.
Tomochika Yamashita
G11 - INFORMATION STORAGE
Information
Patent Grant
Client/server system and mail reception/display control method
Patent number
5,483,466
Issue date
Jan 9, 1996
Hitachi, Ltd.
Tetsuya Kawahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Video signal processing apparatus for correcting time base of video...
Patent number
5,280,396
Issue date
Jan 18, 1994
Hitachi, Ltd.
Masakazu Hamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video signal processing method and apparatus with timebase disturba...
Patent number
5,239,421
Issue date
Aug 24, 1993
Hitachi, Ltd.
Masakazu Hamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video signal and method therefor time axis altering circuit used in...
Patent number
4,873,582
Issue date
Oct 10, 1989
Hitachi, Ltd.
Takashi Furuhata
H04 - ELECTRIC COMMUNICATION TECHNIQUE