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Masahiko Tsuruta
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Yokohama, JP
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last 30 patents
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Patent Grant
Magnetic recording/reproducing apparatus which accomodates differen...
Patent number
4,811,122
Issue date
Mar 7, 1989
Victor Company of Japan Ltd.
Koichi Kido
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording apparatus for carrying out recording by selectiv...
Patent number
4,719,518
Issue date
Jan 12, 1988
Victor Company of Japan, Ltd.
Koichi Kido
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Combination of reproducing heads and a rotary transformer device
Patent number
4,639,805
Issue date
Jan 27, 1987
Victor Company of Japan, Ltd.
Akira Hirota
G11 - INFORMATION STORAGE
Information
Patent Grant
Cue signal recording circuit for magnetic recording and reproducing...
Patent number
4,626,934
Issue date
Dec 2, 1986
Victor Company of Japan, Ltd.
Masajhi Yoshida
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording/reproduced signal switching system for a 4-head type reco...
Patent number
4,614,985
Issue date
Sep 30, 1986
Victor Company of Japan, Ltd.
Masahiko Tsuruta
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording and/or reproducing system for a 4-head type recording and...
Patent number
4,605,976
Issue date
Aug 12, 1986
Victor Company of Japan, Ltd.
Takeyoshi Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Tracking control system in a magnetic recording and reproducing app...
Patent number
4,470,079
Issue date
Sep 4, 1984
Victor Company of Japan, Ltd.
Masahiko Tsuruta
G11 - INFORMATION STORAGE
Information
Patent Grant
Tracking error detection system in a magnetic reproducing apparatus
Patent number
4,433,350
Issue date
Feb 21, 1984
Victor Company of Japan, Ltd.
Masahiko Tsuruta
G11 - INFORMATION STORAGE