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ITAMI, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Methods for preparing an epitaxial wafer having a gallium nitride e...
Patent number
6,387,722
Issue date
May 14, 2002
Sumitomo Electric Industries, Ltd.
Kensaku Motoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial wafer having a gallium nitride epitaxial layer deposited...
Patent number
6,270,587
Issue date
Aug 7, 2001
Sumitomo Electric Industries, Ltd.
Kensaku Motoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial wafer and method of preparing the same
Patent number
6,031,252
Issue date
Feb 29, 2000
Sumitomo Electric Industries, Ltd.
Yoshiki Miura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for vapor phase epitaxy of compound semiconductor
Patent number
5,970,314
Issue date
Oct 19, 1999
Sumitomo Electric Industries, Ltd.
Takuji Okahisa
C30 - CRYSTAL GROWTH
Information
Patent Grant
Epitaxial wafer and method of preparing the same
Patent number
5,843,590
Issue date
Dec 1, 1998
Sumitomo Electric Industries, Ltd.
Yoshiki Miura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor light emitting device and method of preparin...
Patent number
5,756,374
Issue date
May 26, 1998
Sumitomo Electric Industries, Ltd.
Yoshiki Miura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor light emitting device and method of preparin...
Patent number
5,665,986
Issue date
Sep 9, 1997
Sumitomo Electric Industries, Ltd.
Yoshiki Miura
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
GALLIUM NITRIDE SINGLE CRYSTAL SUBSTRATE AND METHOD OF PROUCING SAME
Publication number
20020011599
Publication date
Jan 31, 2002
KENSAKU MOTOKI
C30 - CRYSTAL GROWTH