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Shinya Fujimori
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Yokohama, JP
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Patents Grants
last 30 patents
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
Information management apparatus
Patent number
6,731,451
Issue date
May 4, 2004
Hitachi, Ltd.
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive apparatus having improved power consumption
Patent number
6,608,802
Issue date
Aug 19, 2003
Hitachi, Ltd.
Nobuyuki Maeda
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
Information management apparatus
Patent number
6,204,985
Issue date
Mar 20, 2001
Hitachi, Ltd.
Hiroaki Ono
G11 - INFORMATION STORAGE
Information
Patent Grant
Drum base on which a drum of a magnetic tape recorder is mounted
Patent number
6,078,464
Issue date
Jun 20, 2000
Hitachi, Ltd.
Hidekazu Takeda
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
Rotary head and recording/reading apparatus provided with rotary head
Patent number
5,978,185
Issue date
Nov 2, 1999
Hitachi Ltd.
Fukuyasu Abe
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
Magnetic recording and reproducing apparatus with repositioning sto...
Patent number
5,608,585
Issue date
Mar 4, 1997
Hitachi, Ltd.
Kenmei Masuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording and reproducing apparatus
Patent number
5,448,427
Issue date
Sep 5, 1995
Hitachi, Ltd.
Kenmei Masuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape loading mechanism and method
Patent number
4,899,235
Issue date
Feb 6, 1990
Hitachi Video Engineering, Inc.
Kiyoshi Kano
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Optical Pickup Device and Optical Disc Apparatus Using the Same
Publication number
20090119692
Publication date
May 7, 2009
Shinya Fujimori
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup and optical disk apparatus
Publication number
20070025207
Publication date
Feb 1, 2007
Katsuhiko Izumi
G11 - INFORMATION STORAGE
Information
Patent Application
Information management apparatus
Publication number
20040165301
Publication date
Aug 26, 2004
Hiroaki Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Information management apparatus
Publication number
20020051310
Publication date
May 2, 2002
Hiroaki Ono
G11 - INFORMATION STORAGE