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Takenori Osada
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Ichihara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of producing semiconductor wafer, semiconductor wafer, metho...
Patent number
9,117,658
Issue date
Aug 25, 2015
Sumitomo Chemical Company, Limited
Mitsuru Takenaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor epitaxial substrate and method for manufactu...
Patent number
7,732,836
Issue date
Jun 8, 2010
Sumitomo Chemical Company, Limited
Takenori Osada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor epitaxial substrate
Patent number
7,550,786
Issue date
Jun 23, 2009
Sumitomo Chemical Company, Limited
Hisashi Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High electron mobility epitaxial substrate
Patent number
7,291,873
Issue date
Nov 6, 2007
Sumitomo Chemical Company, Limited
Takenori Osada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hole transporting polymer and organic electroluminescence device us...
Patent number
6,841,269
Issue date
Jan 11, 2005
Sumitomo Chemical Company, Ltd.
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hole transporting polymer and organic electroluminescence device us...
Patent number
6,544,670
Issue date
Apr 8, 2003
Sumitomo Chemical Company, Ltd.
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polysilane, its production process and starting materials therefor
Patent number
5,830,972
Issue date
Nov 3, 1998
Sumitomo Chemical Company, Limited
Masato Ueda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF PRODUCING COMPOSITE WAFER AND COMPOSITE WAFER
Publication number
20150155165
Publication date
Jun 4, 2015
Sumitomo Chemical Company, Limited
Masahiko HATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR WAFER, METHOD OF PRODUCING A SEMICONDUCTOR WAFER AND...
Publication number
20150137317
Publication date
May 21, 2015
Sumitomo Chemical Company, Limited
Takenori OSADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR WAFER, METHOD OF PRODUCING A SEMICONDUCTOR WAFER AND...
Publication number
20150137318
Publication date
May 21, 2015
Sumitomo Chemical Company, Limited
Takenori OSADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF PRODUCING SEMICONDUCTOR WAFER, SEMICONDUCTOR WAFER, METHO...
Publication number
20140054726
Publication date
Feb 27, 2014
THE UNIVERSITY OF TOKYO
Mitsuru TAKENAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Compound semiconductor epitaxial substrate
Publication number
20060255367
Publication date
Nov 16, 2006
Sumitomo Chemical Company, Limited
Hisashi Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Compound semiconductor device and process for producing the same
Publication number
20060131607
Publication date
Jun 22, 2006
Sumitomo Chemical Company, Limited
Hisashi Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Compound semiconductor epitaxial substrate and method for manufactu...
Publication number
20060113563
Publication date
Jun 1, 2006
Takenori Osada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High electron mobility epitaxial substrate
Publication number
20060076576
Publication date
Apr 13, 2006
Takenori Osada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Hole transporting polymer and organic electroluminescence device us...
Publication number
20030211358
Publication date
Nov 13, 2003
SUMITOMO CHEMICAL COMPANY, LTD
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...