Yasunori Yokoyama

Person

Ichihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Group-III nitride compound semiconductor light-emitting device, met...
- Patent number 9,040,319
- Issue date May 26, 2015
- Toyoda Gosei Co., Ltd.
- Yasunori Yokoyama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Sputtering apparatus and manufacturing method of semiconductor ligh...
- Patent number 8,882,971
- Issue date Nov 11, 2014
- Toyoda Gosei Co., Ltd.
- Hisayuki Miki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for manufacturing group III nitride semiconductor, method fo...
- Patent number 8,765,507
- Issue date Jul 1, 2014
- Toyoda Gosei Co., Ltd.
- Yasunori Yokoyama
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for producing group III nitride semiconductor light-emitting...
- Patent number 8,669,129
- Issue date Mar 11, 2014
- Toyoda Gosei Co., Ltd.
- Hisayuki Miki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Semiconductor light-emitting device, manufacturing method thereof,...
- Patent number 8,614,454
- Issue date Dec 24, 2013
- Toyoda Gosei Co., Ltd.
- Yasunori Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Group III nitride semiconductor device and method for manufacturing...
- Patent number 8,569,794
- Issue date Oct 29, 2013
- Toyoda Gosei Co., Ltd.
- Hisayuki Miki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing group III nitride semiconductor light-emitting...
- Patent number 8,445,302
- Issue date May 21, 2013
- Toyoda Gosei Co., Ltd.
- Hisayuki Miki
Information Patent Grant
Apparatus for manufacturing group-III nitride semiconductor layer,...
- Patent number 8,383,439
- Issue date Feb 26, 2013
- Showa Denko K.K.
- Yasunori Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Compound semiconductor light-emitting element and method of manufac...
- Patent number 8,368,103
- Issue date Feb 5, 2013
- Showa Denko K.K.
- Hironao Shinohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing group-III nitride semiconductor light emitt...
- Patent number 8,273,592
- Issue date Sep 25, 2012
- Showa Denko K.K.
- Yasunori Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing group III nitride semiconductor layer, met...
- Patent number 8,227,359
- Issue date Jul 24, 2012
- Showa Denko K.K.
- Yasunori Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Group III nitride compound semiconductor stacked structure
- Patent number 8,148,712
- Issue date Apr 3, 2012
- Showa Denko K.K.
- Hisayuki Miki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Group-III nitride compound semiconductor light-emitting device, met...
- Patent number 8,106,419
- Issue date Jan 31, 2012
- Showa Denko K.K.
- Yasunori Yokoyama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for manufacturing group III nitride semiconductor layer, met...
- Patent number 8,080,484
- Issue date Dec 20, 2011
- Showa Denko K.K.
- Yasunori Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing group III nitride semiconductor light emitting...
- Patent number 8,012,784
- Issue date Sep 6, 2011
- Showa Denko K.K.
- Hisayuki Miki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a semiconductor light-emitting device
- Patent number 7,935,980
- Issue date May 3, 2011
- Showa Denko K.K.
- Kenzo Hanawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for producing group-III nitride semiconductor layer, meth...
- Patent number 7,867,801
- Issue date Jan 11, 2011
- Showa Denko K.K.
- Yasunori Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREOF,...
- Publication number 20120112188
- Publication date May 10, 2012
- SHOWA DENKO K.K.
- Yasunori YOKOYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP-III NITRIDE COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE, MET...
- Publication number 20120086027
- Publication date Apr 12, 2012
- SHOWA DENKO K.K.
- Yasunori Yokoyama
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR LAYER, MET...
- Publication number 20110284919
- Publication date Nov 24, 2011
- SHOWA DENKO K.K.
- Yasunori Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SPUTTERING APPARATUS AND MANUFACTURING METHOD OF SEMICONDUCTOR LIGH...
- Publication number 20110198212
- Publication date Aug 18, 2011
- SHOWA DENKO K.K.
- Hisayuki MIKI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR LAYER, MET...
- Publication number 20110163350
- Publication date Jul 7, 2011
- Showa Denko K.K.
- Yasunori Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
GROUP III NITRIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING...
- Publication number 20110101391
- Publication date May 5, 2011
- Showa Denko K.K.
- Hisayuki Miki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR PRODUCING GROUP III NITRIDE SEMICONDUCTOR LIGHT-EMITTING...
- Publication number 20110084307
- Publication date Apr 14, 2011
- Showa Denko K.K.
- Hisayuki Miki
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR, METHOD FO...
- Publication number 20100301379
- Publication date Dec 2, 2010
- Yasunori Yokoyama
- C30 - CRYSTAL GROWTH
Information Patent Application
COMPOUND SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND METHOD OF MANUFAC...
- Publication number 20100295086
- Publication date Nov 25, 2010
- Showa Denko K.K.
- Hironao Shinohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP-III NITRIDE COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE, MET...
- Publication number 20100244040
- Publication date Sep 30, 2010
- SHOWA DENKO K.K.
- Yasunori Yokoyama
- B82 - NANO-TECHNOLOGY
Information Patent Application
GROUP III NITRIDE SEMICONDUCTOR LIGHT-EMITTING DEVICE, METHOD FOR M...
- Publication number 20100219445
- Publication date Sep 2, 2010
- Yasunori Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP-III NITRIDE COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE, MET...
- Publication number 20100213476
- Publication date Aug 26, 2010
- SHOWA DENKO K.K.
- Yasunori Yokoyama
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD OF MANUFACTURING GROUP-III NITRIDE SEMICONDUCTOR LIGHT EMITT...
- Publication number 20100065855
- Publication date Mar 18, 2010
- Showa Denko K.K.
- Yasunori Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP III NITRIDE SEMICONDUCTOR MULTILAYER STRUCTURE AND PRODUCTION...
- Publication number 20090289270
- Publication date Nov 26, 2009
- SHOWA DENKO K.K.
- Kenzo HANAWA
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR PRODUCING GROUP III NITRIDE SEMICONDUCTOR LIGHT EMITTING...
- Publication number 20090283795
- Publication date Nov 19, 2009
- SHOWA DENKO K.K.
- Hisayuki MIKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP-III NITRIDE COMPOUND SEMICONDUCTOR DEVICE AND PRODUCTION METH...
- Publication number 20090194784
- Publication date Aug 6, 2009
- SHOWA DENKO K.K
- Hiroaki Kaji
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE, METHOD OF MANUFACTURING THE SA...
- Publication number 20090173962
- Publication date Jul 9, 2009
- Showa Denko K.K.
- Kenzo Hanawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP III NITRIDE COMPOUND SEMICONDUCTOR STACKED STRUCTURE
- Publication number 20090146161
- Publication date Jun 11, 2009
- Showa Denko K.K.
- Hisayuki Miki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
APPARATUS FOR MANUFACTURING GROUP-III NITRIDE SEMICONDUCTOR LAYER,...
- Publication number 20090114942
- Publication date May 7, 2009
- SHOWA DENKO K.K.
- Yasunori YOKOYAMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
APPARATUS FOR PRODUCING GROUP-III NITRIDE SEMICONDUCTOR LAYER, METH...
- Publication number 20080303054
- Publication date Dec 11, 2008
- SHOWA DENKO K.K.
- Yasunori YOKOYAMA
- C30 - CRYSTAL GROWTH
Information Patent Application
APPARATUS FOR MANUFACTURING GROUP III NITRIDE COMPOUND SEMICONDUCTO...
- Publication number 20080121924
- Publication date May 29, 2008
- SHOWA DENKO K.K.
- Hisayuki Miki
- C30 - CRYSTAL GROWTH

Yasunori Yokoyama

Person

Patents Grantslast 30 patents

Group-III nitride compound semiconductor light-emitting device, met...

Sputtering apparatus and manufacturing method of semiconductor ligh...

Method for manufacturing group III nitride semiconductor, method fo...

Method for producing group III nitride semiconductor light-emitting...

Semiconductor light-emitting device, manufacturing method thereof,...

Group III nitride semiconductor device and method for manufacturing...

Method for producing group III nitride semiconductor light-emitting...

Apparatus for manufacturing group-III nitride semiconductor layer,...

Compound semiconductor light-emitting element and method of manufac...

Method of manufacturing group-III nitride semiconductor light emitt...

Method for manufacturing group III nitride semiconductor layer, met...

Group III nitride compound semiconductor stacked structure

Group-III nitride compound semiconductor light-emitting device, met...

Method for manufacturing group III nitride semiconductor layer, met...

Method for producing group III nitride semiconductor light emitting...

Method of manufacturing a semiconductor light-emitting device

Apparatus for producing group-III nitride semiconductor layer, meth...

Patents Applicationslast 30 patents

SEMICONDUCTOR LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREOF,...

GROUP-III NITRIDE COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE, MET...

METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR LAYER, MET...

SPUTTERING APPARATUS AND MANUFACTURING METHOD OF SEMICONDUCTOR LIGH...

METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR LAYER, MET...

GROUP III NITRIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING...

METHOD FOR PRODUCING GROUP III NITRIDE SEMICONDUCTOR LIGHT-EMITTING...

METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR, METHOD FO...

COMPOUND SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND METHOD OF MANUFAC...

GROUP-III NITRIDE COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE, MET...

GROUP III NITRIDE SEMICONDUCTOR LIGHT-EMITTING DEVICE, METHOD FOR M...

GROUP-III NITRIDE COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE, MET...

METHOD OF MANUFACTURING GROUP-III NITRIDE SEMICONDUCTOR LIGHT EMITT...

GROUP III NITRIDE SEMICONDUCTOR MULTILAYER STRUCTURE AND PRODUCTION...

METHOD FOR PRODUCING GROUP III NITRIDE SEMICONDUCTOR LIGHT EMITTING...

GROUP-III NITRIDE COMPOUND SEMICONDUCTOR DEVICE AND PRODUCTION METH...

SEMICONDUCTOR LIGHT-EMITTING DEVICE, METHOD OF MANUFACTURING THE SA...

GROUP III NITRIDE COMPOUND SEMICONDUCTOR STACKED STRUCTURE

APPARATUS FOR MANUFACTURING GROUP-III NITRIDE SEMICONDUCTOR LAYER,...

APPARATUS FOR PRODUCING GROUP-III NITRIDE SEMICONDUCTOR LAYER, METH...

APPARATUS FOR MANUFACTURING GROUP III NITRIDE COMPOUND SEMICONDUCTO...