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Akira Kumomura
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Kawasaki-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Electronic commerce system and method for providing commercial info...
Patent number
7,031,934
Issue date
Apr 18, 2006
Hitachi, Ltd.
Daisaku Mori
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Integrated information processing system capable of supplying speci...
Patent number
6,477,521
Issue date
Nov 5, 2002
Hitachi, Ltd.
Akira Kumomura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic commerce system and method for providing commercial info...
Patent number
6,070,148
Issue date
May 30, 2000
Hitachi, Ltd.
Daisaku Mori
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer implemented method, system and apparatus for processing va...
Patent number
5,963,926
Issue date
Oct 5, 1999
Hitachi, Ltd.
Akira Kumomura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for electronic document approval with displayed i...
Patent number
5,850,219
Issue date
Dec 15, 1998
Hitachi, Ltd.
Akira Kumomura
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Coupon ticket issuing system
Publication number
20070239547
Publication date
Oct 11, 2007
Hitachi, Ltd
Akira Kumomura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Coupon ticket issuing system
Publication number
20030078839
Publication date
Apr 24, 2003
Hitachi, Ltd
Akira Kumomura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Electronic commerce system and method for providing commercial info...
Publication number
20020133428
Publication date
Sep 19, 2002
Daisaku Mori
G06 - COMPUTING CALCULATING COUNTING