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Akihiro Kawaoka
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sheet-recognizing machine
Patent number
7,003,179
Issue date
Feb 21, 2006
Hitachi, Ltd.
Akihiro Kawaoka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Non-contact image reader and system using the same
Patent number
6,721,465
Issue date
Apr 13, 2004
Hitachi, Ltd.
Keisuke Nakashima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Printer and computer system with detachable built-in printer
Patent number
5,559,932
Issue date
Sep 24, 1996
Hitachi, Ltd.
Tetsuo Machida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data collection-transmission apparatus and data collection system
Patent number
5,467,475
Issue date
Nov 14, 1995
Hitachi Maxell, Ltd.
Takehiro Takahashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data processing system and method for transfer and merging data in...
Patent number
5,408,633
Issue date
Apr 18, 1995
Hitachi, Ltd.
Masataka Katsumura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for performing transaction
Patent number
5,214,269
Issue date
May 25, 1993
Hitachi, Ltd.
Khotaro Yamashita
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
Sheet-recognizing machine
Publication number
20020003901
Publication date
Jan 10, 2002
Akihiro Kawaoka
G06 - COMPUTING CALCULATING COUNTING