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Kazuaki Tanaka
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cooling system for an electronic unit with plural heat-generating s...
Patent number
8,223,454
Issue date
Jul 17, 2012
Hitachi, Ltd.
Kazuaki Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Video capture device
Patent number
7,283,719
Issue date
Oct 16, 2007
Renesas Technology Corporation
Masataka Okayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Video capture device
Patent number
6,556,767
Issue date
Apr 29, 2003
Masataka Okayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Virtual tape storage apparatus
Patent number
6,490,648
Issue date
Dec 3, 2002
Hitachi, Ltd.
Yasunori Kaneda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of selecting medium in optical disk memory device and optica...
Patent number
6,400,657
Issue date
Jun 4, 2002
Hitachi, Ltd.
Kazuhiro Soeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for detecting and displaying a representative...
Patent number
6,341,168
Issue date
Jan 22, 2002
Hitachi, Ltd.
Akio Nagasaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Information processing system
Patent number
6,269,215
Issue date
Jul 31, 2001
Hitachi, Ltd.
Masataka Okayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for detecting a point of change in a moving image
Patent number
6,256,419
Issue date
Jul 3, 2001
Hitachi, Ltd.
Akio Nagasaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Associated image retrieving apparatus and method
Patent number
6,195,497
Issue date
Feb 27, 2001
Hitachi, Ltd.
Akio Nagasaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for detecting a point of change in a moving image
Patent number
6,157,744
Issue date
Dec 5, 2000
Hitachi, Ltd.
Akio Nagasaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of and an apparatus for decoding video data
Patent number
6,094,234
Issue date
Jul 25, 2000
Hitachi, Ltd.
Itaru Nonomura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processing system
Patent number
6,094,521
Issue date
Jul 25, 2000
Hitachi, Ltd.
Masataka Okayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for detecting and displaying a representative...
Patent number
6,023,520
Issue date
Feb 8, 2000
Hitach, Ltd.
Akio Nagasaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Video retrieving method and apparatus
Patent number
5,982,979
Issue date
Nov 9, 1999
Hitachi, Ltd.
Mitsuteru Omata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Video mail system capable of transferring large quantities of data...
Patent number
5,912,697
Issue date
Jun 15, 1999
Hitachi, Ltd.
Shinichi Hashimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video capture device, video recording/playing apparatus having the...
Patent number
5,899,575
Issue date
May 4, 1999
Hitachi, Ltd.
Masataka Okayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image coding system with adaptive spatial frequency and quantizatio...
Patent number
5,796,435
Issue date
Aug 18, 1998
Hitachi, Ltd.
Itaru Nonomura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of accessing multifile storage medium and library system
Patent number
5,689,481
Issue date
Nov 18, 1997
Hitachi, Ltd.
Akiyori Tamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Image data management system for accessing image data from communic...
Patent number
5,682,549
Issue date
Oct 28, 1997
Hitachi, Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic tape library system wherein write request to a storage uni...
Patent number
5,522,090
Issue date
May 28, 1996
Hitachi, Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of scheduling tasks with priority to interrupted task lockin...
Patent number
5,377,352
Issue date
Dec 27, 1994
Hitachi, Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computerized method of creating a convenient dictionary representin...
Patent number
5,375,237
Issue date
Dec 20, 1994
Hitachi, Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of relocating file and system therefor
Patent number
5,355,475
Issue date
Oct 11, 1994
Hitachi, Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System of database copy operations using a virtual page control tab...
Patent number
5,321,832
Issue date
Jun 14, 1994
Hitachi, Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of controlling execution of jobs and system for the same
Patent number
5,321,835
Issue date
Jun 14, 1994
Hitachi, Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Automatic trading method and apparatus
Patent number
5,315,634
Issue date
May 24, 1994
Hitachi, Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Knowledge data management method and apparatus with cancel function
Patent number
5,079,718
Issue date
Jan 7, 1992
Hitachi, Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of controlling a data dictionary directory system in a data...
Patent number
4,979,109
Issue date
Dec 18, 1990
Hitachi Ltd.
Kazuaki Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Dictionary/directory management method in database system
Patent number
4,833,597
Issue date
May 23, 1989
Hitachi, Ltd.
Satoshi Wakayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for the transportation of a particulate material at controll...
Patent number
4,758,117
Issue date
Jul 19, 1988
Kawasaki Steel Corp.
Yunosuke Maki
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
ELECTRONIC APPARATUS
Publication number
20090040654
Publication date
Feb 12, 2009
Kazuaki Tanaka
G11 - INFORMATION STORAGE
Information
Patent Application
Multimedia data processing system in network
Publication number
20060114350
Publication date
Jun 1, 2006
Takao Shimada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Video capture device
Publication number
20030122941
Publication date
Jul 3, 2003
Hitachi, Ltd.
Masataka Okayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Video capture device
Publication number
20010053271
Publication date
Dec 20, 2001
Hitachi, Ltd
Masataka Okayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Multimedia data processing system in network
Publication number
20010002851
Publication date
Jun 7, 2001
Takao Shimada
H04 - ELECTRIC COMMUNICATION TECHNIQUE