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Kouichi Iguchi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Current drive circuit and image display device
Patent number
7,173,582
Issue date
Feb 6, 2007
NEC Corporation
Shigeo Nishitoba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Driving method of piezoelectric transformer and driving circuit for...
Patent number
6,133,672
Issue date
Oct 17, 2000
NEC Corporation
Hiroshi Sasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric transformer with monitor electrodes for sensing unbal...
Patent number
5,962,953
Issue date
Oct 5, 1999
NEC Corporation
Hiroshi Sasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for driving piezoelectric transformer
Patent number
5,923,542
Issue date
Jul 13, 1999
NEC Corporation
Hiroshi Sasaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Piezoelectric transformer driving curcuit and method capable of sta...
Patent number
5,886,514
Issue date
Mar 23, 1999
NEC Corporation
Kouichi Iguchi
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
Current drive circuit and image display device
Publication number
20050174307
Publication date
Aug 11, 2005
NEC Corporation
Shigeo Nishitoba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS