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Hidehito Takewa
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Graphics drawing device and method
Patent number
7,142,213
Issue date
Nov 28, 2006
Hitachi, Ltd.
Yasuhiro Nakatsuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image processing device and system using the same
Patent number
6,731,291
Issue date
May 4, 2004
Hitachi, Ltd.
Yasuhiro Nakatsuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image processing device and system using the same
Patent number
6,356,269
Issue date
Mar 12, 2002
Hitachi, Ltd.
Yasuhiro Nakatsuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Common disk unit multi-computer system
Patent number
6,138,248
Issue date
Oct 24, 2000
Hitachi, Ltd.
Masahiko Saito
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data processor for processing a complex instruction by dividing it...
Patent number
6,092,183
Issue date
Jul 18, 2000
Hitachi, Ltd.
Hidehito Takewa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Graphics drawing device with hidden surface processing
Patent number
6,084,599
Issue date
Jul 4, 2000
Hitachi, Ltd.
Yasuhiro Nakatsuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image data processor for processing pixel data in block buffer
Patent number
5,748,202
Issue date
May 5, 1998
Hitachi, Ltd.
Yasuhiro Nakatsuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Arithmetic unit capable of performing concurrent operations for hig...
Patent number
5,623,435
Issue date
Apr 22, 1997
Hitachi, Ltd.
Hidehito Takewa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Arithmetic unit capable of performing concurrent operations for hig...
Patent number
5,408,426
Issue date
Apr 18, 1995
Hitachi, Ltd.
Hidehito Takewa
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Image processing device and system using the same
Publication number
20040189649
Publication date
Sep 30, 2004
Yasuhiro Nakatsuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image processing device and system using the same
Publication number
20020070942
Publication date
Jun 13, 2002
Yasuhiro Nakatsuka
G06 - COMPUTING CALCULATING COUNTING