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Naoya MIYOSHI
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Miyagi, JP
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last 30 patents
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Patent Grant
Group III nitride crystal substrate having a diameter of 4 inches o...
Patent number
11,718,927
Issue date
Aug 8, 2023
Sumitomo Chemical Company, Limited
Takehiro Yoshida
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for manufacturing group 13 nitride crystal and group 13 nitr...
Patent number
10,538,858
Issue date
Jan 21, 2020
SCIOCS COMPANY LIMITED
Masahiro Hayashi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for producing gallium nitride crystal
Patent number
10,100,426
Issue date
Oct 16, 2018
Ricoh Company, Ltd.
Takashi Satoh
C30 - CRYSTAL GROWTH
Information
Patent Grant
Gallium nitride crystal, group 13 nitride crystal, group 13 nitride...
Patent number
9,863,058
Issue date
Jan 9, 2018
Ricoh Company, Ltd.
Masahiro Hayashi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Group 13 nitride crystal and group 13 nitride crystal substrate
Patent number
9,732,435
Issue date
Aug 15, 2017
Ricoh Company, Ltd.
Masahiro Hayashi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Manufacturing method of group 13 nitride crystal
Patent number
9,404,196
Issue date
Aug 2, 2016
Ricoh Company, Ltd.
Masahiro Hayashi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Group 13 nitride crystal and substrate thereof
Patent number
9,123,863
Issue date
Sep 1, 2015
Ricoh Company, Ltd.
Masahiro Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
METHOD OF MANUFACTURING CRYSTAL SUBSTRATE AND CRYSTAL SUBSTRATE
Publication number
20190292682
Publication date
Sep 26, 2019
SCIOCS COMPANY LIMITED
Takehiro YOSHIDA
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR PRODUCING GROUP 13 NITRIDE SINGLE CRYSTAL AND APPARATUS...
Publication number
20180163323
Publication date
Jun 14, 2018
Takashi Satoh
C30 - CRYSTAL GROWTH
Information
Patent Application
GROUP 13 NITRIDE CRYSTAL SUBSTRATE, MANUFACTURING METHOD OF GROUP 1...
Publication number
20170204534
Publication date
Jul 20, 2017
RICOH COMPANY, LTD.
Masahiro HAYASHI
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR PRODUCING GALLIUM NITRIDE CRYSTAL
Publication number
20170022629
Publication date
Jan 26, 2017
RICOH COMPANY, LTD.
Takashi SATOH
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR MANUFACTURING GROUP 13 NITRIDE CRYSTAL AND GROUP 13 NITR...
Publication number
20160348272
Publication date
Dec 1, 2016
RICOH COMPANY, LTD.
Masahiro HAYASHI
C30 - CRYSTAL GROWTH
Information
Patent Application
GALLIUM NITRIDE CRYSTAL, GROUP 13 NITRIDE CRYSTAL, GROUP 13 NITRIDE...
Publication number
20150247257
Publication date
Sep 3, 2015
RICOH COMPANY, LTD.
Masahiro HAYASHI
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR PRODUCING GROUP 13 NITRIDE CRYSTAL AND APPARATUS FOR PRO...
Publication number
20140261157
Publication date
Sep 18, 2014
RICOH COMPANY, LTD.
Takashi Satoh
C30 - CRYSTAL GROWTH
Information
Patent Application
GROUP 13 NITRIDE CRYSTAL AND METHOD FOR PRODUCTION OF GROUP 13 NITR...
Publication number
20140271439
Publication date
Sep 18, 2014
RICOH COMPANY, LTD.
JUNICHI WADA
C30 - CRYSTAL GROWTH
Information
Patent Application
GROUP 13 NITRIDE CRYSTAL, GROUP 13 NITRIDE CRYSTAL SUBSTRATE, AND M...
Publication number
20140077218
Publication date
Mar 20, 2014
RICOH COMPANY, LTD.
Masahiro Hayashi
C30 - CRYSTAL GROWTH
Information
Patent Application
GROUP 13 NITRIDE CRYSTAL AND GROUP 13 NITRIDE CRYSTAL SUBSTRATE
Publication number
20130243680
Publication date
Sep 19, 2013
RICOH COMPANY, LITD.
Masahiro HAYASHI
C30 - CRYSTAL GROWTH
Information
Patent Application
GALLIUM NITRIDE CRYSTAL, GROUP 13 NITRIDE CRYSTAL, GROUP 13 NITRIDE...
Publication number
20130065010
Publication date
Mar 14, 2013
RICOH COMPANY, LTD.
Masahiro Hayashi
C30 - CRYSTAL GROWTH
Information
Patent Application
MANUFACTURING METHOD OF GROUP 13 NITRIDE CRYSTAL
Publication number
20130061799
Publication date
Mar 14, 2013
RICOH COMPANY, LTD.
Masahiro HAYASHI
C30 - CRYSTAL GROWTH
Information
Patent Application
GROUP 13 NITRIDE CRYSTAL AND SUBSTRATE THEREOF
Publication number
20130062660
Publication date
Mar 14, 2013
RICOH COMPANY, LTD.
Masahiro HAYASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GROUP 13 NITRIDE CRYSTAL SUBSTRATE, MANUFACTURING METHOD OF GROUP 1...
Publication number
20130065036
Publication date
Mar 14, 2013
RICOH COMPANY, LTD.
Masahiro HAYASHI
C30 - CRYSTAL GROWTH
Information
Patent Application
GROUP 13 NITRIDE CRYSTAL AND GROUP 13 NITRIDE CRYSTAL SUBSTRATE
Publication number
20130064749
Publication date
Mar 14, 2013
RICOH COMPANY, LTD.,
Masahiro HAYASHI
C30 - CRYSTAL GROWTH