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Keizo Kurahashi
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Nagoya, JP
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last 30 patents
Information
Patent Grant
Touch sensing device
Patent number
4,550,310
Issue date
Oct 29, 1985
Fujitsu Limited
Hisashi Yamaguchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
El display device
Patent number
4,523,189
Issue date
Jun 11, 1985
Fujitsu Limited
Kazuhiro Takahara
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Self shift type gas discharge panel driving system
Patent number
4,458,244
Issue date
Jul 3, 1984
Fujitsu Limited
Hisashi Yamaguchi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method and circuit for selectively driving capacitive display cells...
Patent number
4,456,909
Issue date
Jun 26, 1984
Fujitsu Limited
Kazuhiro Takahara
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Self-shift type gas discharge panel
Patent number
4,423,356
Issue date
Dec 27, 1983
Fujitsu Limited
Sei Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display device
Patent number
4,368,467
Issue date
Jan 11, 1983
Fujitsu Limited
Tomoyuki Unotoro
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method and apparatus for detecting the location of a light detectin...
Patent number
4,139,803
Issue date
Feb 13, 1979
Fujitsu Limited
Keizo Kurahashi
G06 - COMPUTING CALCULATING COUNTING