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Jun KOMIYAMA
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Hadano-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Nitride semiconductor substrate and method of manufacturing the same
Patent number
11,605,716
Issue date
Mar 14, 2023
COORSTEK KK
Hiroshi Oishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Audio reproduction device
Patent number
11,509,983
Issue date
Nov 22, 2022
Sony Group Corporation
Takayuki Negishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Nitride semiconductor substrate
Patent number
11,201,217
Issue date
Dec 14, 2021
COORSTEK KK
Kenichi Eriguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor substrate
Patent number
10,825,895
Issue date
Nov 3, 2020
COORSTEK KK
Yoshihisa Abe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor substrate
Patent number
10,068,858
Issue date
Sep 4, 2018
COORSTEK KK
Yoshihisa Abe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Nitride semiconductor substrate having recesses at interface betwee...
Patent number
9,748,344
Issue date
Aug 29, 2017
COORSTEK KK
Noriko Omori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor substrate
Patent number
9,536,955
Issue date
Jan 3, 2017
COORSTEK KK
Jun Komiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor substrate
Patent number
9,530,846
Issue date
Dec 27, 2016
COORSTEK KK
Noriko Omori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor substrate
Patent number
9,117,743
Issue date
Aug 25, 2015
COVALENT MATERIALS CORPORTION
Jun Komiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of analyzing nitride semiconductor layer and method of manuf...
Patent number
9,086,321
Issue date
Jul 21, 2015
Covalent Materials Corporation
Yoshihata Yanase
G01 - MEASURING TESTING
Information
Patent Grant
Nitride semiconductor substrate and method of manufacturing the same
Patent number
8,785,942
Issue date
Jul 22, 2014
Covalent Materials Corporation
Akira Yoshida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor substrate
Patent number
8,637,960
Issue date
Jan 28, 2014
Covalent Material Corporation
Yoshihisa Abe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor substrate comprising a multilayer buffer layer
Patent number
8,212,288
Issue date
Jul 3, 2012
Covalent Materials Corporation
Jun Komiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor substrate having multiple buffer layers
Patent number
8,148,753
Issue date
Apr 3, 2012
Covalent Materials Corporation
Hiroshi Oishi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Compound semiconductor and compound semiconductor device using the...
Patent number
7,368,757
Issue date
May 6, 2008
Covalent Materials Corporation
Jun Komiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Substrate for growing electro-optical single crystal thin film and...
Patent number
7,262,485
Issue date
Aug 28, 2007
Covalent Materials Corporation
Yoshihisa Abe
G02 - OPTICS
Information
Patent Grant
Semiconductor wafer and its manufacturing method
Patent number
6,936,490
Issue date
Aug 30, 2005
Toshiba Ceramics Co, Ltd.
Yoshihisa Abe
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR MANUFACTURING MEMBER AND MANUFACTURING METHOD THEREFOR
Publication number
20220068614
Publication date
Mar 3, 2022
COORSTEK KK
Masahiko ICHISHIMA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
AUDIO REPRODUCTION DEVICE
Publication number
20220053252
Publication date
Feb 17, 2022
SONY GROUP CORPORATION
TAKAYUKI NEGISHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE AND METHOD OF MANUFACTURING THE SAME
Publication number
20210184004
Publication date
Jun 17, 2021
CoorsTek KK
Hiroshi OISHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
Publication number
20210028284
Publication date
Jan 28, 2021
CoorsTek KK
Kenichi ERIGUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE AND NITRIDE SEMICONDUCTOR DEVICE
Publication number
20200194580
Publication date
Jun 18, 2020
CoorsTek KK
Yoshihisa ABE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
Publication number
20200194545
Publication date
Jun 18, 2020
CoorsTek KK
Yoshihisa ABE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
Publication number
20180151714
Publication date
May 31, 2018
CoorsTek KK
Noriko OMORI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND SEMICONDUCTOR SUBSTRATE
Publication number
20170110414
Publication date
Apr 20, 2017
CoorsTek KK
Yoshihisa ABE
C30 - CRYSTAL GROWTH
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
Publication number
20170011919
Publication date
Jan 12, 2017
CoorsTek KK
Noriko Omori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
Publication number
20160293710
Publication date
Oct 6, 2016
CoorsTek KK
Noriko Omori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
Publication number
20140339679
Publication date
Nov 20, 2014
COVALENT MATERIALS CORPORATION
Jun KOMIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
Publication number
20140319535
Publication date
Oct 30, 2014
Covalent Materials Corporation
Jun KOMIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF ANALYZING NITRIDE SEMICONDUCTOR LAYER AND METHOD OF MANUF...
Publication number
20140055783
Publication date
Feb 27, 2014
Covalent Materials Corporation
Yoshihata YANASE
G01 - MEASURING TESTING
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
Publication number
20130082355
Publication date
Apr 4, 2013
COVALENT MATERIALS CORPORATION
Yoshihisa ABE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE AND METHOD OF MANUFACTURING THE SAME
Publication number
20120211763
Publication date
Aug 23, 2012
Covalent Materials Corporation
Akira Yoshida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND SEMICONDUCTOR SUBSTRATE
Publication number
20110062556
Publication date
Mar 17, 2011
Covalent Materials Corporation
Jun KOMIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Compound semiconductor substrate
Publication number
20100244100
Publication date
Sep 30, 2010
COVALENT MATERIALS CORPORATION
Hiroshi Oishi
C30 - CRYSTAL GROWTH
Information
Patent Application
COMPOUND SEMICONDUCTOR SUBSTRATE
Publication number
20090065812
Publication date
Mar 12, 2009
COVALENT MATERIALS CORPORATION
Yoshihisa ABE
C30 - CRYSTAL GROWTH
Information
Patent Application
NITRIDE SEMICONDUCTOR SINGLE CRYSTAL SUBSTRATE
Publication number
20080224268
Publication date
Sep 18, 2008
COVALENT MATERIALS CORPORATION
Yoshihisa Abe
C30 - CRYSTAL GROWTH
Information
Patent Application
Nitride semiconductor single crystal film
Publication number
20070210304
Publication date
Sep 13, 2007
TOSHIBA CERAMICS CO., LTD.
Jun Komiyama
C30 - CRYSTAL GROWTH
Information
Patent Application
Substrate for compound semiconductor device and compound semiconduc...
Publication number
20070069216
Publication date
Mar 29, 2007
TOSHIBA CERAMICS CO., LTD.
Jun Komiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Compound semiconductor and compound semiconductor device using the...
Publication number
20060138448
Publication date
Jun 29, 2006
TOSHIBA CERAMICS CO., LTD.
Jun Komiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Substrate for growing electro-optical single crystal thin film and...
Publication number
20060011941
Publication date
Jan 19, 2006
TOSHIBA CERAMICS CO., LTD.
Yoshihisa Abe
G02 - OPTICS
Information
Patent Application
Substrates for growth of chemical compound semiconductors, chemical...
Publication number
20050263754
Publication date
Dec 1, 2005
TOSHIBA CERAMICS CO., LTD.
Jun Komiyama
C30 - CRYSTAL GROWTH