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Hideo Kawachi
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for manufacturing read-only optical disc medium and read-onl...
Patent number
8,634,287
Issue date
Jan 21, 2014
Sony Corporation
Tetsuhiro Sakamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk read only memory
Patent number
7,911,929
Issue date
Mar 22, 2011
Sony Corporation
Tetsuhiro Sakamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Reproducing system with detachable storage medium for storing selec...
Patent number
5,375,106
Issue date
Dec 20, 1994
Sony Corporation
Hideo Kawachi
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for carrying out recording and/or reproducing signals for...
Patent number
5,301,176
Issue date
Apr 5, 1994
Sony Corporation
Hideo Kawachi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc player for playing both naked disc and cartridge-encased disc
Patent number
5,299,185
Issue date
Mar 29, 1994
Sony Corporation
Katsuichi Sakurai
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc reproducing apparatus
Patent number
4,530,073
Issue date
Jul 16, 1985
Sony Corporation
Teruaki Higashihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital audio disc player including apparatus for finding the begin...
Patent number
4,519,057
Issue date
May 21, 1985
Sony Corporation
Teruaki Higashihara
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
METHOD FOR MANUFACTURING READ-ONLY OPTICAL DISC MEDIUM AND READ-ONL...
Publication number
20100085864
Publication date
Apr 8, 2010
Sony Corporation
Tetsuhiro Sakamoto
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL DISK READ ONLY MEMORY
Publication number
20090147664
Publication date
Jun 11, 2009
SONY CORPORATION
Tetsuhiro SAKAMOTO
G11 - INFORMATION STORAGE