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Kiyoshi Nakazawa
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Fujiidera, JP
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last 30 patents
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Patent Grant
Inspecting method, inspecting apparatus, and defect correcting method
Patent number
5,532,615
Issue date
Jul 2, 1996
Sharp Kabushiki Kaisha
Naofumi Kondo
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Active matrix display device
Patent number
5,508,591
Issue date
Apr 16, 1996
Sharp Kabushiki Kaisha
Yuzuru Kanemori
G02 - OPTICS
Information
Patent Grant
Fault tolerant active matrix display device
Patent number
5,469,025
Issue date
Nov 21, 1995
Sharp Kabushiki Kaisha
Yuzuru Kanemori
G02 - OPTICS
Information
Patent Grant
Active matrix board
Patent number
5,463,230
Issue date
Oct 31, 1995
Sharp Kabushiki Kaisha
Hidenori Negoto
G02 - OPTICS
Information
Patent Grant
Active matrix display apparatus with plural signal input connection...
Patent number
5,446,568
Issue date
Aug 29, 1995
Sharp Kabushiki Kaisha
Kiyoshi Nakazawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal display element and method for treating defective pi...
Patent number
5,335,102
Issue date
Aug 2, 1994
Sharp Kabushiki Kaisha
Yuzuru Kanemori
G02 - OPTICS
Information
Patent Grant
Driving circuit for producing varying signals for a liquid crystal...
Patent number
5,280,279
Issue date
Jan 18, 1994
Sharp Kabushiki Kaisha
Kiyoshi Nakazawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Matrix-type display device
Patent number
5,268,678
Issue date
Dec 7, 1993
Sharp Kabushiki Kaisha
Kiyoshi Nakazawa
G02 - OPTICS
Information
Patent Grant
Active matrix board having double-layer scan lines and capacity lin...
Patent number
5,212,574
Issue date
May 18, 1993
Sharp Kabushiki Kaisha
Mikio Katayama
G02 - OPTICS
Information
Patent Grant
Active matrix display device having drain electrodes of the pair of...
Patent number
5,191,451
Issue date
Mar 2, 1993
Sharp Kabushiki Kaisha
Mikio Katayama
G02 - OPTICS
Information
Patent Grant
Active matrix display device having spare switching elements connec...
Patent number
5,164,851
Issue date
Nov 17, 1992
Sharp Kabushiki Kaisha
Yuzuru Kanemori
G02 - OPTICS
Information
Patent Grant
Method for the manufacture of active matrix display apparatuses
Patent number
5,102,361
Issue date
Apr 7, 1992
Sharp Kabushiki Kaisha
Mikio Katayama
G02 - OPTICS
Information
Patent Grant
Active matrix display apparatus with drain electrode extensions
Patent number
5,076,666
Issue date
Dec 31, 1991
Sharp Kabushiki Kaisha
Mikio Katayama
G02 - OPTICS
Information
Patent Grant
Matrix display apparatus with repair wires
Patent number
5,045,753
Issue date
Sep 3, 1991
Sharp Kabushiki Kaisha
Mikio Katayama
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
4,930,874
Issue date
Jun 5, 1990
Sharp Kabushiki Kaisha
Toshifumi Mitsumune
G02 - OPTICS
Information
Patent Grant
Lighting apparatus
Patent number
4,706,173
Issue date
Nov 10, 1987
Sharp Kabushiki Kaisha
Hiroshi Hamada
G02 - OPTICS