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Masahiko Kaneko
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multilayer optical disk
Patent number
RE40136
Issue date
Mar 4, 2008
Sony Corporation
Masahiko Kaneko
428 - Stock material or miscellaneous articles
Information
Patent Grant
Multilayer optical disk
Patent number
6,537,637
Issue date
Mar 25, 2003
Sony Corporation
Masahiko Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk and optical information recording/reproducing apparatus
Patent number
6,324,148
Issue date
Nov 27, 2001
NEC Corporation
Masahiko Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Reduced thickness of a light transmissive layer for a high density...
Patent number
6,246,656
Issue date
Jun 12, 2001
Sony Corporation
Osamu Kawakubo
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc and optical disc device
Patent number
6,243,352
Issue date
Jun 5, 2001
Sony Corporation
Masayoshi Kanno
G11 - INFORMATION STORAGE
Information
Patent Grant
Multilayer optical disk
Patent number
6,241,843
Issue date
Jun 5, 2001
Sony Corporation
Masahiko Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium
Patent number
6,132,862
Issue date
Oct 17, 2000
Sony Corporation
Shintaro Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium and optical disk apparatus
Patent number
6,023,451
Issue date
Feb 8, 2000
Sony Corporation
Toshiyuki Kashiwagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Multilayer optical disk
Patent number
5,989,670
Issue date
Nov 23, 1999
Sony Corporation
Masahiko Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium and optical disk apparatus
Patent number
5,972,459
Issue date
Oct 26, 1999
Sony Corporation
Osamu Kawakubo
G11 - INFORMATION STORAGE
Information
Patent Grant
Multilayer optical disk
Patent number
5,766,717
Issue date
Jun 16, 1998
Sony Corporation
Masahiko Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Antenna integral-type transmitter/receiver system
Patent number
5,760,749
Issue date
Jun 2, 1998
Fujitsu Limited
Yoshiaki Minowa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-layer optical disk
Patent number
5,761,187
Issue date
Jun 2, 1998
Sony Corporation
Masahiko Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-layer optical recording medium
Patent number
5,726,970
Issue date
Mar 10, 1998
Sony Corporation
Masahiko Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermomagnetic recording method using a recording light power modul...
Patent number
5,379,275
Issue date
Jan 3, 1995
Sony Corporation
Masahiko Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of recording information on and reproducing information from...
Patent number
5,283,770
Issue date
Feb 1, 1994
Sony Corporation
Isamu Nakao
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating a high-density magnetooptic recording medium
Patent number
5,230,930
Issue date
Jul 27, 1993
Sony Corporation
Katsuhisa Aratani
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical waveguide device
Patent number
4,898,440
Issue date
Feb 6, 1990
Sony Corporation
Hitoshi Tamada
G02 - OPTICS
Information
Patent Grant
Thermomagnetic recording system
Patent number
4,642,795
Issue date
Feb 10, 1987
Sony Corporation
Hitoshi Tamada
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermomagnetic recording and reproducing system
Patent number
4,612,587
Issue date
Sep 16, 1986
Sony Corporation
Masahiko Kaneko
G02 - OPTICS
Information
Patent Grant
Thermomagnetic recording method
Patent number
4,581,717
Issue date
Apr 8, 1986
Sony Corporation
Masahiko Kaneko
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Light-assisted type magnetic recording head, magnetic recording app...
Publication number
20060114756
Publication date
Jun 1, 2006
SONY CORPORATION
Naoto Kojima
G11 - INFORMATION STORAGE
Information
Patent Application
Multilayer optical disk
Publication number
20010046192
Publication date
Nov 29, 2001
Masahiko Kaneko
G11 - INFORMATION STORAGE