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Tadashige Sato
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Ibaraki, JP
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last 30 patents
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Patent Grant
Gallium arsenide phosphide epitaxial wafer and light emitting diode
Patent number
6,218,681
Issue date
Apr 17, 2001
Mitsubishi Chemical Corporation
Tadashige Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting diode with tilted plane orientation
Patent number
5,923,054
Issue date
Jul 13, 1999
Mutsubishi Chemical Corporation
Yasuji Kobashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial wafer and its fabrication method
Patent number
5,856,208
Issue date
Jan 5, 1999
Mitsubishi Chemical Corporation
Tadashige Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial wafer of gallium arsenide phosphide
Patent number
5,751,026
Issue date
May 12, 1998
Mitsubishi Kasei Corporation
Tadashige Sato
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of manufacturing semiconductor epitaxial wafer
Patent number
5,660,628
Issue date
Aug 26, 1997
Mitsubishi Kasei Corp.
Tadashige Sato
C30 - CRYSTAL GROWTH
Information
Patent Grant
Epitaxial wafer of gallium arsenide phosphide
Patent number
5,456,765
Issue date
Oct 10, 1995
Mitsubishi Kasei Corporation
Tadashige Sato
C30 - CRYSTAL GROWTH
Information
Patent Grant
Double hetero type epitaxial wafer with refractive indices
Patent number
5,103,270
Issue date
Apr 7, 1992
Mitsubishi Monsanto Chemical Company
Tadashige Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial wafer
Patent number
4,946,801
Issue date
Aug 7, 1990
Mitsubishi Monsanto Chemical Co., Ltd.
Tadashige Sato
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES