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Keizo Nishimura
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for receiving and recording digital information
Patent number
8,009,375
Issue date
Aug 30, 2011
Hitachi Consumer Electronics Co., Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for transmitting digital audio and video information
Patent number
7,952,823
Issue date
May 31, 2011
Hitachi Consumer Electronics Co., Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for transmitting and receiving digital video a...
Patent number
7,859,777
Issue date
Dec 28, 2010
Hitachi Consumer Electronics Co., Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for transmitting and receiving digital video a...
Patent number
7,808,733
Issue date
Oct 5, 2010
Hitachi Consumer Electronics Co., Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Information management apparatus
Patent number
7,706,541
Issue date
Apr 27, 2010
FIPA Frohwitter Intellectual Property AG
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for receiving compressed digital information
Patent number
7,286,310
Issue date
Oct 23, 2007
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital information recording/reproducing apparatus
Patent number
7,259,926
Issue date
Aug 21, 2007
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital information recording/reproducing method and apparatus
Patent number
7,027,240
Issue date
Apr 11, 2006
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital information recording/reproducing apparatus
Patent number
7,012,769
Issue date
Mar 14, 2006
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital information recording/reproducing apparatus
Patent number
6,952,315
Issue date
Oct 4, 2005
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Information management apparatus
Patent number
6,731,451
Issue date
May 4, 2004
Hitachi, Ltd.
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for transmitting and receiving digital informa...
Patent number
6,590,726
Issue date
Jul 8, 2003
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital transmission signal processing system and recording/reprodu...
Patent number
6,498,691
Issue date
Dec 24, 2002
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for limiting the reproduction of main information
Patent number
6,388,831
Issue date
May 14, 2002
Hitachi, Ltd.
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital transmission signal processing system and recording/reprodu...
Patent number
6,324,025
Issue date
Nov 27, 2001
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital transmission signal processing system and recording/reprodu...
Patent number
6,278,564
Issue date
Aug 21, 2001
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Information management apparatus
Patent number
6,204,985
Issue date
Mar 20, 2001
Hitachi, Ltd.
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital transmission signal processing system and recording/reprodu...
Patent number
6,069,757
Issue date
May 30, 2000
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Information management apparatus
Patent number
6,031,677
Issue date
Feb 29, 2000
Hitachi, Ltd.
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital transmission signal processing system and recording/reprodu...
Patent number
6,002,536
Issue date
Dec 14, 1999
Hitachi Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Signal recording/reproducing method and apparatus in which key info...
Patent number
5,897,218
Issue date
Apr 27, 1999
Hitachi, Ltd.
Keizo Nishimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital transmission signal processing system and recording/reprodu...
Patent number
5,862,004
Issue date
Jan 19, 1999
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Information management apparatus for inhibiting reproduction in a v...
Patent number
5,825,969
Issue date
Oct 20, 1998
Hitachi, Ltd.
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Code error correction apparatus
Patent number
5,757,824
Issue date
May 26, 1998
Hitachi, Ltd.
Hideo Arai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital transmission signal processing system and recording reprodu...
Patent number
5,699,203
Issue date
Dec 16, 1997
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital transmission signal processing system and recording/reprodu...
Patent number
5,673,154
Issue date
Sep 30, 1997
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital transmission signal processing system and recording/reprodu...
Patent number
5,671,095
Issue date
Sep 23, 1997
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Picture signal digital processing unit
Patent number
5,636,316
Issue date
Jun 3, 1997
Hitachi, Ltd.
Masuo Oku
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital transmission signal processing system and recording/reprodu...
Patent number
5,530,598
Issue date
Jun 25, 1996
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital transmission signal processing system and recording/reprodu...
Patent number
5,517,368
Issue date
May 14, 1996
Hitachi, Ltd.
Hideo Arai
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Digital Information Recording/Reproducing Apparatus
Publication number
20080253743
Publication date
Oct 16, 2008
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital Information Recording/Reproducing Apparatus
Publication number
20080175314
Publication date
Jul 24, 2008
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital information recording/reproducing apparatus
Publication number
20080069538
Publication date
Mar 20, 2008
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital information recording/reproducing apparatus
Publication number
20060269254
Publication date
Nov 30, 2006
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital information recording/reproducing apparatus
Publication number
20060098951
Publication date
May 11, 2006
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital information recording/reproducing apparatus
Publication number
20060093332
Publication date
May 4, 2006
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Information management apparatus
Publication number
20040165301
Publication date
Aug 26, 2004
Hiroaki Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital information recording/reproducing apparatus
Publication number
20040126087
Publication date
Jul 1, 2004
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital information recording/reproducing apparatus
Publication number
20040008977
Publication date
Jan 15, 2004
Hideo Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital information recording/reproducing apparatus
Publication number
20030190156
Publication date
Oct 9, 2003
Hidoe Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and method for transmitting and receiving digital informa...
Publication number
20030039044
Publication date
Feb 27, 2003
Hideo Arai
G11 - INFORMATION STORAGE
Information
Patent Application
Information management apparatus
Publication number
20020051310
Publication date
May 2, 2002
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Application
Digital transmission signal processing system and recording/reprodu...
Publication number
20010052105
Publication date
Dec 13, 2001
Hideo Arai
G11 - INFORMATION STORAGE