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Hiroshi NAMBU
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Kanagawa, JP
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Patents Grants
last 30 patents
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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
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
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
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
Information
Patent Application
GALLIUM NITRIDE CRYSTAL, GROUP 13 NITRIDE CRYSTAL, CRYSTAL SUBSTRAT...
Publication number
20130011677
Publication date
Jan 10, 2013
RICOH COMPANY, LTD.
Hiroshi NAMBU
C30 - CRYSTAL GROWTH