Masahiro Nakayama

Person

Itami-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Chamfered freestanding nitride semiconductor wafer and method of ch...
- Patent number 8,723,219
- Issue date May 13, 2014
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Grant
Chamfered freestanding nitride semiconductor wafer and method of ch...
- Patent number 8,482,032
- Issue date Jul 9, 2013
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Grant
Method of polishing compound semiconductor substrate, compound semi...
- Patent number 8,133,815
- Issue date Mar 13, 2012
- Sumitomo Electric Industries, Ltd.
- Yoshio Mezaki
- B24 - GRINDING POLISHING
Information Patent Grant
Chamfered freestanding nitride semiconductor wafer and method of ch...
- Patent number 8,022,438
- Issue date Sep 20, 2011
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Grant
Nitride semiconductor wafer and method of processing nitride semico...
- Patent number 8,008,165
- Issue date Aug 30, 2011
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Grant
Nitride semiconductor wafer and method of processing nitride semico...
- Patent number 7,786,488
- Issue date Aug 31, 2010
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Grant
Method of producing gallium nitride (GaN) independent substrate, me...
- Patent number 7,749,325
- Issue date Jul 6, 2010
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Grant
Chamfered freestanding nitride semiconductor wafer and method of ch...
- Patent number 7,550,780
- Issue date Jun 23, 2009
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Grant
Nitride semiconductor wafer and method of processing nitride semico...
- Patent number 7,535,082
- Issue date May 19, 2009
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Grant
Nitride semiconductor substrate and method of producing same
- Patent number 7,390,747
- Issue date Jun 24, 2008
- Sumitomo Electric Industries, Ltd.
- Masato Irikura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
GaN substrate and method of fabricating the same, nitride semicondu...
- Patent number 7,387,678
- Issue date Jun 17, 2008
- Sumitomo Electric Industries, Ltd.
- Katsushi Akita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chamfered freestanding nitride semiconductor wafer and method of ch...
- Patent number 7,195,545
- Issue date Mar 27, 2007
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Grant
Nitride semiconductor substrate and method of producing same
- Patent number 7,154,131
- Issue date Dec 26, 2006
- Sumitomo Electric Industries, Ltd.
- Masato Irikura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Obverse/reverse discriminative rectangular nitride semiconductor wafer
- Patent number 6,909,165
- Issue date Jun 21, 2005
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor wafer and method of processing nitride semico...
- Patent number 6,875,082
- Issue date Apr 5, 2005
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
SILICON CARBIDE SUBSTRATE AND FABRICATION METHOD THEREOF
- Publication number 20150170928
- Publication date Jun 18, 2015
- Sumitomo Electric Industries, Ltd.
- Masahiro NAKAYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHAMFERED FREESTANDING NITRIDE SEMICONDUCTOR WAFER AND METHOD OF CH...
- Publication number 20130292696
- Publication date Nov 7, 2013
- MASAHIRO NAKAYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of Processing Gallium-Nitride Semiconductor Substrates
- Publication number 20120135549
- Publication date May 31, 2012
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR WAFER AND METHOD OF PROCESSING NITRIDE SEMICO...
- Publication number 20100279440
- Publication date Nov 4, 2010
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Application
METHOD FOR MANUFACTURING III-V COMPOUND SEMICONDUCTOR SUBSTRATE, ME...
- Publication number 20100013053
- Publication date Jan 21, 2010
- Sumitomo Electric Industries, Ltd.
- Masahiro NAKAYAMA
- C30 - CRYSTAL GROWTH
Information Patent Application
NITRIDE SEMICONDUCTOR WAFER AND METHOD OF PROCESSING NITRIDE SEMICO...
- Publication number 20090250790
- Publication date Oct 8, 2009
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Application
CHAMFERED FREESTANDING NITRIDE SEMICONDUCTOR WAFER AND METHOD OF CH...
- Publication number 20090218659
- Publication date Sep 3, 2009
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Application
Gallium nitride wafer
- Publication number 20090057847
- Publication date Mar 5, 2009
- Masahiro Nakayama
- C30 - CRYSTAL GROWTH
Information Patent Application
Method of Polishing Compound Semiconductor Substrate, Compound Semi...
- Publication number 20080299350
- Publication date Dec 4, 2008
- Sumitomo Electric Industries, Ltd.
- Yoshio Mezaki
- B24 - GRINDING POLISHING
Information Patent Application
Mechano-chemical polishing method for GaAs wafer
- Publication number 20080194182
- Publication date Aug 14, 2008
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Masahiro Nakayama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method of producing gallium nitride (GaN) independent substrate, me...
- Publication number 20080176386
- Publication date Jul 24, 2008
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Masahiro Nakayama
- C30 - CRYSTAL GROWTH
Information Patent Application
Gallium nitride semiconductor substrate and process for producing t...
- Publication number 20070018284
- Publication date Jan 25, 2007
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Chamfered freestanding nitride semiconductor wafer and method of ch...
- Publication number 20060194520
- Publication date Aug 31, 2006
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Application
Nitride semiconductor substrate and method of producing same
- Publication number 20060071234
- Publication date Apr 6, 2006
- Sumitomo Electric Industries, Ltd.
- Masato Irikura
- C30 - CRYSTAL GROWTH
Information Patent Application
Nitride semiconductor wafer and method of processing nitride semico...
- Publication number 20050145879
- Publication date Jul 7, 2005
- Sumitomo Electric Industries, Ltd.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Application
Nitride semiconductor substrate and method of producing same
- Publication number 20050073027
- Publication date Apr 7, 2005
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Masato Irikura
- C30 - CRYSTAL GROWTH
Information Patent Application
GaN substrate and method of fabricating the same, nitride semicondu...
- Publication number 20040262624
- Publication date Dec 30, 2004
- Katsushi Akita
- C30 - CRYSTAL GROWTH
Information Patent Application
Nitride semiconductor wafer and method of processing nitride semico...
- Publication number 20040221799
- Publication date Nov 11, 2004
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Application
Chamfered freestanding nitride semiconductor wafer and method of ch...
- Publication number 20040195658
- Publication date Oct 7, 2004
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Masahiro Nakayama
- B24 - GRINDING POLISHING
Information Patent Application
Obverse/reverse discriminative rectangular nitride semiconductor wafer
- Publication number 20040188804
- Publication date Sep 30, 2004
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Masahiro Nakayama
- H01 - BASIC ELECTRIC ELEMENTS

Masahiro Nakayama

Person

Patents Grantslast 30 patents

Chamfered freestanding nitride semiconductor wafer and method of ch...

Chamfered freestanding nitride semiconductor wafer and method of ch...

Method of polishing compound semiconductor substrate, compound semi...

Chamfered freestanding nitride semiconductor wafer and method of ch...

Nitride semiconductor wafer and method of processing nitride semico...

Nitride semiconductor wafer and method of processing nitride semico...

Method of producing gallium nitride (GaN) independent substrate, me...

Chamfered freestanding nitride semiconductor wafer and method of ch...

Nitride semiconductor wafer and method of processing nitride semico...

Nitride semiconductor substrate and method of producing same

GaN substrate and method of fabricating the same, nitride semicondu...

Chamfered freestanding nitride semiconductor wafer and method of ch...

Nitride semiconductor substrate and method of producing same

Obverse/reverse discriminative rectangular nitride semiconductor wafer

Nitride semiconductor wafer and method of processing nitride semico...

Patents Applicationslast 30 patents

SILICON CARBIDE SUBSTRATE AND FABRICATION METHOD THEREOF

CHAMFERED FREESTANDING NITRIDE SEMICONDUCTOR WAFER AND METHOD OF CH...

Method of Processing Gallium-Nitride Semiconductor Substrates

NITRIDE SEMICONDUCTOR WAFER AND METHOD OF PROCESSING NITRIDE SEMICO...

METHOD FOR MANUFACTURING III-V COMPOUND SEMICONDUCTOR SUBSTRATE, ME...

NITRIDE SEMICONDUCTOR WAFER AND METHOD OF PROCESSING NITRIDE SEMICO...

CHAMFERED FREESTANDING NITRIDE SEMICONDUCTOR WAFER AND METHOD OF CH...

Gallium nitride wafer

Method of Polishing Compound Semiconductor Substrate, Compound Semi...

Mechano-chemical polishing method for GaAs wafer

Method of producing gallium nitride (GaN) independent substrate, me...

Gallium nitride semiconductor substrate and process for producing t...

Chamfered freestanding nitride semiconductor wafer and method of ch...

Nitride semiconductor substrate and method of producing same

Nitride semiconductor wafer and method of processing nitride semico...

Nitride semiconductor substrate and method of producing same

GaN substrate and method of fabricating the same, nitride semicondu...

Nitride semiconductor wafer and method of processing nitride semico...

Chamfered freestanding nitride semiconductor wafer and method of ch...

Obverse/reverse discriminative rectangular nitride semiconductor wafer