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Shinji Ozaki
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Chiba, JP
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last 30 patents
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Patent Grant
Rotary drum device
Patent number
5,243,483
Issue date
Sep 7, 1993
Hitachi, Ltd.
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary drum for video tape recorder
Patent number
5,220,472
Issue date
Jun 15, 1993
Hitachi, Ltd.
Tomomi Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Multichannel magnetic head having a plurality of head chips fixed o...
Patent number
5,130,875
Issue date
Jul 14, 1992
Hitachi, Ltd.
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary drum assembly for a video tape recorder
Patent number
5,070,424
Issue date
Dec 3, 1991
Hitachi, Ltd.
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Multiplex rotating magnetic head system for multiply recording and...
Patent number
5,057,944
Issue date
Oct 15, 1991
Hitachi, Ltd.
Shinji Ozaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary head cylinder for video tape recorder
Patent number
5,047,882
Issue date
Sep 10, 1991
Hitachi, Ltd.
Hiroyoshi Kawai
G11 - INFORMATION STORAGE
Information
Patent Grant
Dual record/read head video recording and playback apparatus with f...
Patent number
4,992,891
Issue date
Feb 12, 1991
Hitachi, Ltd.
Keiichi Komatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Jitter reducing tapered rotary drum for magnetic head apparatus
Patent number
4,959,743
Issue date
Sep 25, 1990
Hitachi, Ltd.
Mashanori Kochi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical magnetic recording and reproducing method and apparatus cap...
Patent number
4,901,297
Issue date
Feb 13, 1990
Hitachi, Ltd.
Keiichi Komatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording/reproducing apparatus
Patent number
4,740,847
Issue date
Apr 26, 1988
Hitachi, Ltd.
Katsuyuki Watanabe
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Information
Patent Grant
Automatic tape stop device for video signal recording and reproduci...
Patent number
4,403,260
Issue date
Sep 6, 1983
Hitachi, Ltd.
Kotaro Kawamura
G11 - INFORMATION STORAGE