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Yoshikazu Ishimatsu
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Kanagawa, JP
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last 30 patents
Information
Patent Grant
Disc cartridge with slidable shutter
Patent number
5,991,129
Issue date
Nov 23, 1999
Sony Corporation
Hirokimi Iwata
G11 - INFORMATION STORAGE
Information
Patent Grant
Shock absorbing device and recording/playback apparatus for disc-sh...
Patent number
5,956,314
Issue date
Sep 21, 1999
Sony Corporation
Yoshikazu Ishimatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive apparatus with insulators to minimize external vibrations
Patent number
5,936,927
Issue date
Aug 10, 1999
Sony Corporation
Ryo Soga
G11 - INFORMATION STORAGE
Information
Patent Grant
CD/CD-ROM apparatus
Patent number
5,793,729
Issue date
Aug 11, 1998
Sony Corporation
Ryo Soga
G11 - INFORMATION STORAGE
Information
Patent Grant
CD/CD-ROM apparatus
Patent number
5,737,304
Issue date
Apr 7, 1998
Sony Corporation
Ryo Soga
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for controlling the position of an optical pic...
Patent number
5,612,935
Issue date
Mar 18, 1997
Sony Corporation
Yoshikazu Ishimatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc cartridge with easily assembled slider and shutter means
Patent number
5,488,605
Issue date
Jan 30, 1996
Sony Corporation
Yoshikazu Ishimatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
LED mounting holder and device for mounting LED using it
Patent number
5,299,096
Issue date
Mar 29, 1994
Sony Corporation
Yoshikazu Ishimatsu
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Disk adapter for disk cartridge
Patent number
5,208,802
Issue date
May 4, 1993
Sony Corporation
Akira Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc cartridge with opening for exposing disc extending to thin por...
Patent number
5,045,959
Issue date
Sep 3, 1991
Sony Corporation
Yoshikazu Ishimatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc cartridge with releasable locking means
Patent number
4,746,013
Issue date
May 24, 1988
Sony Corporation
Akira Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Mode selecting assembly for recording and/or reproducing apparatus
Patent number
4,194,229
Issue date
Mar 18, 1980
Sony Corporation
Yoshinori Yamamoto
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