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Morihiro Murata
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Hamamatsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical disk capable of disabling incompatible recorder
Patent number
7,277,369
Issue date
Oct 2, 2007
Yamaha Corporation
Morihiro Murata
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of logically erasing contents of a CD-RW disc while preservi...
Patent number
7,035,172
Issue date
Apr 25, 2006
Yamaha Corporation
Morihiro Murata
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk recording apparatus
Patent number
6,693,866
Issue date
Feb 17, 2004
Yamaha Corporation
Morihiro Murata
G11 - INFORMATION STORAGE
Information
Patent Grant
Methods of retrieving information from optical disk and controlling...
Patent number
6,621,783
Issue date
Sep 16, 2003
Yamaha Corporation
Morihiro Murata
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk having plurality of volumes, recording device and repr...
Patent number
6,424,615
Issue date
Jul 23, 2002
Yamaha Corporation
Yutaka Ishimura
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
CD-R medium recording method
Patent number
6,363,040
Issue date
Mar 26, 2002
Yamaha Corporation
Morihiro Murata
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk and optical disk reproduction system
Patent number
6,272,081
Issue date
Aug 7, 2001
Yamaha Corporation
Morihiro Murata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical disk, optical disk reproducing device and optical disk repr...
Patent number
6,243,343
Issue date
Jun 5, 2001
Yamaha Corporation
Yutaka Ishimura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical disc device capable of recording information data as a plur...
Patent number
5,986,980
Issue date
Nov 16, 1999
Yamaha Corporation
Kenichiro Takeshita
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
AV System
Publication number
20090290064
Publication date
Nov 26, 2009
Yamaha Corporation
Keishi MATSUMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical disk apparatus with multiple reproduction/record units for...
Publication number
20050162990
Publication date
Jul 28, 2005
Morihiro Murata
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk capable of disabling incompatible recorder
Publication number
20030058766
Publication date
Mar 27, 2003
Morihiro Murata
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL DISK HAVING PLURALITY OF VOLUMES, RECORDING DEVICE AND REPR...
Publication number
20020071378
Publication date
Jun 13, 2002
YUTAKA ISHIMURA
G11 - INFORMATION STORAGE