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Yasumasa Kawashima
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
CAD consulting method, method for detecting inappropriate shape cha...
Patent number
6,912,445
Issue date
Jun 28, 2005
Hitachi, Ltd.
Koji Shiroyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data editing method and apparatus therefor
Patent number
5,712,654
Issue date
Jan 27, 1998
Hitachi, Ltd.
Yasumasa Kawashima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of generating an image and an apparatus for carrying out suc...
Patent number
5,692,115
Issue date
Nov 25, 1997
Hitachi, Ltd.
Kumiko Itoh
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Curved surface generating method and apparatus therefor
Patent number
5,621,872
Issue date
Apr 15, 1997
Hitachi, Ltd.
Shinji Tokumasu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Design supporting apparatus and method for performing design work a...
Patent number
5,604,886
Issue date
Feb 18, 1997
Hitachi, Ltd.
Yasumasa Kawashima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Displaying method and system for displaying an object by designatin...
Patent number
5,485,560
Issue date
Jan 16, 1996
Hitachi, Ltd.
Tomotoshi Ishida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pattern processing method
Patent number
5,353,395
Issue date
Oct 4, 1994
Hitachi, Ltd.
Shinji Tokumasu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Area set operation apparatus
Patent number
4,992,962
Issue date
Feb 12, 1991
Hitachi, Ltd.
Tomotoshi Ishida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Elimination work simulator apparatus
Patent number
4,956,787
Issue date
Sep 11, 1990
Hitachi, Ltd.
Kumiko Ito
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
CAD consulting method, method for detecting inappropriate shape cha...
Publication number
20020015036
Publication date
Feb 7, 2002
Koji Shiroyama
G06 - COMPUTING CALCULATING COUNTING