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Mitsugu IMAI
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Recording device and stray light signal component cancellation method
Patent number
8,730,776
Issue date
May 20, 2014
Sony Corporation
Satoru Higashino
G11 - INFORMATION STORAGE
Information
Patent Grant
Information erasing device and information erasing method
Patent number
8,638,648
Issue date
Jan 28, 2014
Sony Corporation
Mitsugu Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase error detection apparatus, phase error detection method, and...
Patent number
8,456,975
Issue date
Jun 4, 2013
Sony Corporation
Mitsugu Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording/reproduction device, evaluation value calculation method,...
Patent number
7,940,622
Issue date
May 10, 2011
Sony NEC Optiarc Inc.
Mitsugu Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Information reproducing apparatus
Patent number
6,845,075
Issue date
Jan 18, 2005
Sony Corporation
Mitsugu Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Drive unit having blank/written area identification capability
Patent number
6,587,415
Issue date
Jul 1, 2003
Sony Corporation
Mitsugu Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording methods and apparatus using light modulation tech...
Patent number
5,742,566
Issue date
Apr 21, 1998
Sony Corporation
Mitsugu Imai
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
RECORDING DEVICE AND STRAY LIGHT SIGNAL COMPONENT CANCELLATION METHOD
Publication number
20130250744
Publication date
Sep 26, 2013
SONY CORPORATION
Satoru Higashino
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION ERASING DEVICE AND INFORMATION ERASING METHOD
Publication number
20110305124
Publication date
Dec 15, 2011
SONY CORPORATION
Mitsugu IMAI
G11 - INFORMATION STORAGE
Information
Patent Application
PHASE ERROR DETECTION APPARATUS, PHASE ERROR DETECTION METHOD, AND...
Publication number
20110058462
Publication date
Mar 10, 2011
SONY CORPORATION
Mitsugu Imai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EQUALIZATION FILTER DEVICE, TAP COEFFICIENT UPDATING METHOD, AND RE...
Publication number
20110051583
Publication date
Mar 3, 2011
SONY CORPORATION
Mitsugu Imai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RECORDING/REPRODUCTION DEVICE, EVALUATION VALUE CALCULATION METHOD,...
Publication number
20100188953
Publication date
Jul 29, 2010
Sony NEC Optiarc Inc.
Mitsugu Imai
G11 - INFORMATION STORAGE
Information
Patent Application
Information reproducing apparatus
Publication number
20020012307
Publication date
Jan 31, 2002
Mitsugu Imai
G11 - INFORMATION STORAGE