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Kuniaki Yagi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor substrate, semiconductor element and method for produ...
Patent number
11,264,241
Issue date
Mar 1, 2022
Tamura Corporation
Akito Kuramata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polycrystalline SiC substrate and method for manufacturing same
Patent number
10,934,634
Issue date
Mar 2, 2021
SICOXS CORPORATION
Kuniaki Yagi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor substrate and method for manufacturing semiconductor...
Patent number
9,773,678
Issue date
Sep 26, 2017
Kabushiki Kaisha Toyota Jidoshokki
Ko Imaoka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Manufacturing method for semiconductor substrate
Patent number
9,761,479
Issue date
Sep 12, 2017
Kabushiki Kaisha Toyota Jidoshokki
Ko Imaoka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide substrate, semiconductor device and method for manu...
Patent number
8,890,170
Issue date
Nov 18, 2014
Hoya Corporation
Hiroyuki Nagasawa
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process for producing silicon carbide single crystal
Patent number
8,133,321
Issue date
Mar 13, 2012
Hoya Corporation
Takamitsu Kawahara
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Compound crystal and method of manufacturing same
Patent number
7,211,337
Issue date
May 1, 2007
Hoya Corporation
Hiroyuki Nagasawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method of manufacturing compound single crystal
Patent number
7,101,774
Issue date
Sep 5, 2006
Hoya Corporation
Hiroyuki Nagasawa
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of manufacturing silicon carbide, silicon carbide, composite...
Patent number
6,821,340
Issue date
Nov 23, 2004
Hoya Corporation
Hiroyuki Nagasawa
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of manufacturing compound single crystal
Patent number
6,736,894
Issue date
May 18, 2004
Hoya Corporation
Takamitsu Kawahara
C30 - CRYSTAL GROWTH
Information
Patent Grant
Compound crystal and method of manufacturing same
Patent number
6,703,288
Issue date
Mar 9, 2004
Hoya Corporation
Hiroyuki Nagasawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Silicon carbide and method for producing the same
Patent number
6,596,080
Issue date
Jul 22, 2003
Hoya Corporation
Takamitsu Kawahara
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Silicon carbide film and method for manufacturing the same
Patent number
6,475,456
Issue date
Nov 5, 2002
Hoya Corporation
Yukitaka Nakano
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon carbide film and method for manufacturing the same
Patent number
6,416,578
Issue date
Jul 9, 2002
Hoya Corporation
Yukitaka Nakano
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR SUBSTRATE, SEMICONDUCTOR ELEMENT AND METHOD FOR PRODU...
Publication number
20200168460
Publication date
May 28, 2020
TAMURA CORPORATION
Akito KURAMATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLYCRYSTALLINE SiC SUBSTRATE AND METHOD FOR MANUFACTURING SAME
Publication number
20190153616
Publication date
May 23, 2019
SICOXS CORPORATION
Kuniaki YAGI
C30 - CRYSTAL GROWTH
Information
Patent Application
SEMICONDUCTOR SUBSTRATE AND METHOD FOR MANUFACTURING SEMICONDUCTOR...
Publication number
20170213735
Publication date
Jul 27, 2017
Kabushiki Kaisha Toyota Jidoshokki
Ko IMAOKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MANUFACTURING METHOD FOR SEMICONDUCTOR SUBSTRATE
Publication number
20160204023
Publication date
Jul 14, 2016
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Ko IMAOKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SUBSTRATE, SEMICONDUCTOR DEVICE AND METHOD FOR MANU...
Publication number
20130234164
Publication date
Sep 12, 2013
HOYA CORPORATION
Hiroyuki Nagasawa
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICON CARBIDE SUBSTRATE AND SEMICONDUCTOR DEVICE
Publication number
20130228797
Publication date
Sep 5, 2013
HOYA CORPORATION
Hiroyuki Nagasawa
C30 - CRYSTAL GROWTH
Information
Patent Application
COMPOUND SINGLE CRYSTAL AND METHOD FOR PRODUCING THE SAME
Publication number
20110089431
Publication date
Apr 21, 2011
HOYA CORPORATION
Kuniaki YAGI
C30 - CRYSTAL GROWTH
Information
Patent Application
Process for Producing Silicon Carbide Single Crystal
Publication number
20080289570
Publication date
Nov 27, 2008
HOYA CORPORATION
Takamitsu Kawahara
C30 - CRYSTAL GROWTH
Information
Patent Application
Compound crystal and method of manufacturing same
Publication number
20040127042
Publication date
Jul 1, 2004
HOYA CORPORATION
Hiroyuki Nagasawa
C30 - CRYSTAL GROWTH
Information
Patent Application
Method of manufacturing single crystal substrate
Publication number
20030056718
Publication date
Mar 27, 2003
HOYA CORPORATION
Takamitsu Kawahara
C30 - CRYSTAL GROWTH
Information
Patent Application
Method of manufacturing compound single crystal
Publication number
20030047129
Publication date
Mar 13, 2003
HOYA CORPORATION
Takamitsu Kawahara
C30 - CRYSTAL GROWTH
Information
Patent Application
Method of manufacturing compound single crystal
Publication number
20030045102
Publication date
Mar 6, 2003
HOYA CORPORATION
Hiroyuki Nagasawa
C30 - CRYSTAL GROWTH
Information
Patent Application
Compound crystal and method of manufacturing same
Publication number
20030040167
Publication date
Feb 27, 2003
Hiroyuki Nagasawa
C30 - CRYSTAL GROWTH
Information
Patent Application
Silicon carbide film and method for manufacturing the same
Publication number
20020124793
Publication date
Sep 12, 2002
Hoya Corporation
Yukitaka Nakano
C30 - CRYSTAL GROWTH
Information
Patent Application
Single crystal SiCand method of producing the same as well as SiC s...
Publication number
20020096104
Publication date
Jul 25, 2002
Hoya Corporation
Kuniaki Yagi
C30 - CRYSTAL GROWTH
Information
Patent Application
Method of manufacturing silicon carbide, silicon carbide, composite...
Publication number
20020072249
Publication date
Jun 13, 2002
HOYA CORPORATION
Hiroyuki Nagasawa
C30 - CRYSTAL GROWTH
Information
Patent Application
Silicon carbide film and method for manufacturing the same
Publication number
20020035960
Publication date
Mar 28, 2002
Yukitaka Nakano
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Silicon carbide and method for producing the same
Publication number
20020014198
Publication date
Feb 7, 2002
HOYA CORPORATION
Takamitsu Kawahara
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...