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Takeshi Asai
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Hitachi, JP
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last 30 patents
Information
Patent Grant
Multiplication, division and square root extraction apparatus
Patent number
5,956,263
Issue date
Sep 21, 1999
Hitachi, Ltd.
Masahisa Narita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for obtaining strict solution in accordance with accuracy of...
Patent number
5,631,858
Issue date
May 20, 1997
Hitachi, Ltd.
Masahisa Narita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Coprocessor executing pipeline control for executing protocols and...
Patent number
5,504,912
Issue date
Apr 2, 1996
Hitachi, Ltd.
Shigeki Morinaga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multiplication, division and square root extraction apparatus
Patent number
5,293,558
Issue date
Mar 8, 1994
Hitachi, Ltd.
Masahisa Narita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System using microprocessor address lines for coprocessor selection...
Patent number
5,125,095
Issue date
Jun 23, 1992
Hitachi Microcomputer Engineering Ltd.
Takuichiro Nakazawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Elementary function arithmetic unit
Patent number
4,888,721
Issue date
Dec 19, 1989
Hitachi, Ltd.
Eiki Kondoh
G06 - COMPUTING CALCULATING COUNTING