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Kitaibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Handy information terminal apparatus
Patent number
5,936,609
Issue date
Aug 10, 1999
Hitachi, Ltd.
Shigeru Matsuoka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Portable information processing apparatus and liquid crystal displa...
Patent number
5,805,125
Issue date
Sep 8, 1998
Hitachi, Ltd.
Yuzi Suganuma
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing apparatus having a keyboard with a pointing...
Patent number
5,675,360
Issue date
Oct 7, 1997
Hitachi, Ltd.
Tetsuji Takegoshi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Portable information processing apparatus and liquid crystal displa...
Patent number
5,483,253
Issue date
Jan 9, 1996
Hitachi, Ltd.
Yuzi Suganuma
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing apparatus and printer used for the same
Patent number
5,345,403
Issue date
Sep 6, 1994
Hitachi, Ltd.
Hiroshi Ogawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for operating vacuum cleaner
Patent number
RE34286
Issue date
Jun 22, 1993
Hitachi, Ltd.
Hisanori Toyoshima
015 - Brushing, scrubbing, and general cleaning
Information
Patent Grant
Method and apparatus for operating vacuum cleaner
Patent number
4,958,406
Issue date
Sep 25, 1990
Hitachi, Ltd.
Hisanori Toyoshima
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Method and apparatus for controlling the speed of moving body
Patent number
4,914,361
Issue date
Apr 3, 1990
Hitachi, Ltd.
Fumio Tajima
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Permanent magnet electrical machine with reduced cogging
Patent number
4,672,253
Issue date
Jun 9, 1987
Hitachi, Ltd.
Fumio Tajima
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Portable information processing apparatus and liquid crystal displa...
Publication number
20010028549
Publication date
Oct 11, 2001
Yuzi Suganuma
G06 - COMPUTING CALCULATING COUNTING