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Masataka Sekiya
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Ibaraki, JP
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last 30 patents
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Patent Grant
Auto-tracking system for magnetic recording/reproducing apparatus
Patent number
5,255,134
Issue date
Oct 19, 1993
Hitachi, Ltd.
Masataka Sekiya
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for processing a color video signal
Patent number
5,063,437
Issue date
Nov 5, 1991
Hitachi, Ltd.
Hitoaki Owashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital magnetic reproducing apparatus with variable tape speed
Patent number
5,057,949
Issue date
Oct 15, 1991
Hitachi, Ltd.
Atsuo Suga
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital noise reducer
Patent number
4,926,361
Issue date
May 15, 1990
Hitachi, Ltd.
Hiroyasu Ohtsubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
A memory controlling apparatus for a magnetic recording and reprodu...
Patent number
4,912,571
Issue date
Mar 27, 1990
Hitachi, Ltd.
Masataka Sekiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Slow-motion device of magnetic recording and reproducing apparatus
Patent number
4,774,598
Issue date
Sep 27, 1988
Hitachi, Ltd.
Masataka Sekiya
G11 - INFORMATION STORAGE
Information
Patent Grant
Still picture recording system with noise detection and frame count...
Patent number
4,737,864
Issue date
Apr 12, 1988
Hitachi Microcomputer Eng. Co.
Masataka Sekiya
G11 - INFORMATION STORAGE
Information
Patent Grant
Speed and phase control system
Patent number
4,543,516
Issue date
Sep 24, 1985
Hitachi, Ltd.
Yasunori Kobori
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER