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Norihiro Nakajima
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Hitachi-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
On-road facility fault information communication apparatus
Patent number
6,774,815
Issue date
Aug 10, 2004
National Institute for Land and Infrastructure Management, Ministry of Land,...
Takeshi Shima
G08 - SIGNALLING
Information
Patent Grant
Traveling support information processing system
Patent number
6,594,577
Issue date
Jul 15, 2003
National Institute For Land and Infrastructure Management, Ministry of Land,...
Norihiro Nakajima
G08 - SIGNALLING
Information
Patent Grant
Method and apparatus for pattern data processing
Patent number
5,649,081
Issue date
Jul 15, 1997
Hitachi, Ltd.
Norihiro Nakajima
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
Method and apparatus for generating a surface by simulating a physi...
Patent number
5,566,281
Issue date
Oct 15, 1996
Hitachi, Ltd.
Shinji Tokumasu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for displaying altitude of form characteristic...
Patent number
5,537,523
Issue date
Jul 16, 1996
Hitachi, Ltd.
Ichiro Harashima
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
Patents Applications
last 30 patents
Information
Patent Application
On-road facility fault information communication apparatus
Publication number
20020145539
Publication date
Oct 10, 2002
Takeshi Shima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Traveling support information processing system
Publication number
20020123838
Publication date
Sep 5, 2002
Norihiro Nakajima
G08 - SIGNALLING