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KATSUHIRO KAWAI
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KASHIHARA-SHI, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Active matrix substrate and producing method of the same
Patent number
6,411,348
Issue date
Jun 25, 2002
Sharp Kabushiki Kaisha
Katsuhiro Kawai
G02 - OPTICS
Information
Patent Grant
Dry etching method of a silicon thin film
Patent number
6,133,157
Issue date
Oct 17, 2000
Sharp Kabushike Kaisha
Takehisa Sakurai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid crystal display apparatus and method of manufacturing same
Patent number
6,091,467
Issue date
Jul 18, 2000
Sharp Kabushiki Kaisha
Masumi Kubo
G02 - OPTICS
Information
Patent Grant
Active matrix substrate with removal of portion of insulating film...
Patent number
6,025,892
Issue date
Feb 15, 2000
Sharp Kabushiki Kaisha
Katsuhiro Kawai
G02 - OPTICS
Information
Patent Grant
Actived matrix substrate having a transistor with multi-layered ohm...
Patent number
5,981,972
Issue date
Nov 9, 1999
Sharp Kabushiki Kaisha
Katsuhiro Kawai
G02 - OPTICS
Information
Patent Grant
Thin film transistor including oxidized film by oxidation of the su...
Patent number
5,962,896
Issue date
Oct 5, 1999
Sharp Kabushiki Kaisha
Satoshi Yabuta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing active matrix substrate
Patent number
5,821,133
Issue date
Oct 13, 1998
Sharp Kabushiki Kaisha
Katsuhiro Kawai
G02 - OPTICS
Information
Patent Grant
Selective dry etching method of undoped and doped silicon thin films
Patent number
5,783,494
Issue date
Jul 21, 1998
Sharp Kabushiki Kaisha
Takehisa Sakurai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Matrix type display device
Patent number
5,745,201
Issue date
Apr 28, 1998
Sharp Kabushiki Kaisha
Katsuhiro Kawai
G02 - OPTICS
Information
Patent Grant
Method of ashing resist and apparatus therefor
Patent number
5,688,410
Issue date
Nov 18, 1997
Sharp Kabushiki Kaisha
Masaru Kajitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Thin film transistor
Patent number
5,473,168
Issue date
Dec 5, 1995
Sharp Kabushiki Kaisha
Katsuhiro Kawai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Active matrix display device
Patent number
5,287,206
Issue date
Feb 15, 1994
Sharp Kabushiki Kaisha
Yuzuru Kanemori
G02 - OPTICS
Information
Patent Grant
Active matrix substrate with conductive film covering transparent c...
Patent number
5,276,540
Issue date
Jan 4, 1994
Sharp Kabushiki Kaisha
Masaya Okamoto
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
ACTIVE MATRIX SUBSTRATE AND PRODUCING METHOD OF THE SAME
Publication number
20010045996
Publication date
Nov 29, 2001
KATSUHIRO KAWAI
G02 - OPTICS