Hiromitsu Sakai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor light-emitting element manufacturing method, lamp, el...
- Patent number 8,896,085
- Issue date Nov 25, 2014
- Toyoda Gosei Co., Ltd.
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
DC/AC power converter with DC side double frequency pulsation suppr...
- Patent number 8,867,247
- Issue date Oct 21, 2014
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for manufacturing semiconductor light emitting element, semi...
- Patent number 8,859,313
- Issue date Oct 14, 2014
- Toyoda Gosei Co., Ltd.
- Hiromitsu Sakai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of manufacturing semiconductor light emitting element includ...
- Patent number 8,785,227
- Issue date Jul 22, 2014
- Toyoda Gosei Co., Ltd.
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing group III nitride semiconductor light emit...
- Patent number 8,772,060
- Issue date Jul 8, 2014
- Toyoda Gosei Co., Ltd.
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting device with a concavo-convex part form...
- Patent number 8,754,441
- Issue date Jun 17, 2014
- Toyoda Gosei Co., Ltd.
- Hironao Shinohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing group III nitride semiconductor layer, group I...
- Patent number 8,492,186
- Issue date Jul 23, 2013
- Toyoda Gosei Co., Ltd.
- Hironao Shinohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Group-III nitride semiconductor light emitting device and productio...
- Patent number 8,421,107
- Issue date Apr 16, 2013
- Toyoda Gosei Co., Ltd.
- Hironao Shinohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Group-III nitride semiconductor light-emitting device, method for m...
- Patent number 8,309,982
- Issue date Nov 13, 2012
- Showa Denko K.K.
- Kenzo Hanawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wind power generation system
- Patent number 8,299,642
- Issue date Oct 30, 2012
- Hitachi, Ltd.
- Masaya Ichinose
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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 semiconductor device
- Patent number 8,134,168
- Issue date Mar 13, 2012
- Showa Denko K.K.
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wind power generation system and control method thereof
- Patent number 8,129,851
- Issue date Mar 6, 2012
- Hitachi, Ltd.
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind turbine generator system
- Patent number 8,097,971
- Issue date Jan 17, 2012
- Hitachi, Ltd.
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind turbine generator system
- Patent number 8,076,790
- Issue date Dec 13, 2011
- Hitachi, Ltd.
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Group III nitride semiconductor light emitting device, method for p...
- Patent number 8,049,227
- Issue date Nov 1, 2011
- Showa Denko K.K.
- Hisayuki Miki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wind turbine generator system
- Patent number 7,964,980
- Issue date Jun 21, 2011
- Hitachi, Ltd.
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind power generation system and method of controlling power converter
- Patent number 7,952,214
- Issue date May 31, 2011
- Hitachi, Ltd.
- Masaya Ichinose
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Group III nitride semiconductor stacked structure and production me...
- Patent number 7,951,617
- Issue date May 31, 2011
- Showa Denko K.K.
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
N-type group III nitride semiconductor layered structure
- Patent number 7,855,386
- Issue date Dec 21, 2010
- Showa Denko K.K.
- Akira Bandoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wind turbine generator system
- Patent number 7,847,427
- Issue date Dec 7, 2010
- Hitachi, Ltd.
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind turbine generator system
- Patent number 7,692,323
- Issue date Apr 6, 2010
- Hitachi, Ltd.
- Masaya Ichinose
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind power generation system
- Patent number 7,692,325
- Issue date Apr 6, 2010
- Hitachi, Ltd.
- Masaya Ichinose
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Group III nitride semiconductor light-emitting device
- Patent number 7,514,707
- Issue date Apr 7, 2009
- Showa Denko K.K.
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wind turbine generator system
- Patent number 7,355,296
- Issue date Apr 8, 2008
- Hitachi, Ltd.
- Masaya Ichinose
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind turbine generator system
- Patent number 7,205,676
- Issue date Apr 17, 2007
- Hitachi, Ltd.
- Masaya Ichinose
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind turbine generator system
- Patent number 7,095,130
- Issue date Aug 22, 2006
- Hitachi, Ltd.
- Masaya Ichinose
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Semiconductor power converting apparatus
- Patent number 6,809,561
- Issue date Oct 26, 2004
- Hitachi, Ltd.
- Shuji Katoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor power conversion apparatus
- Patent number 6,727,516
- Issue date Apr 27, 2004
- Hitachi, Ltd.
- Shuji Katoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor power conversion apparatus
- Patent number 6,717,177
- Issue date Apr 6, 2004
- Hitachi, Ltd.
- Shuji Katoh
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR LIGHT EMITTING ELEMENT, SEMIC...
- Publication number 20130168691
- Publication date Jul 4, 2013
- TOYODA GOSEI CO., LTD.
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR LIGHT EMITTING ELEMENT, SEMI...
- Publication number 20120326169
- Publication date Dec 27, 2012
- Showa Denko K.K.
- Hiromitsu Sakai
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor Power Conversion Apparatus
- Publication number 20120170333
- Publication date Jul 5, 2012
- Hitachi, Ltd
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING ELEMENT MANUFACTURING METHOD, LAMP, EL...
- Publication number 20120113658
- Publication date May 10, 2012
- Showa Denko K.K.
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIND TURBINE GENERATOR SYSTEM
- Publication number 20120049521
- Publication date Mar 1, 2012
- Hitachi, Ltd
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND TURBINE GENERATOR SYSTEM
- Publication number 20110215578
- Publication date Sep 8, 2011
- Hitachi, Ltd
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND SEMICONDUCTOR LIGHT-EMITTI...
- Publication number 20110198567
- Publication date Aug 18, 2011
- Showa Denko K.K.
- Hironao Shinohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR LIGHT EMIT...
- Publication number 20110163349
- Publication date Jul 7, 2011
- SHOWA DENKO K.K
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP-III NITRIDE SEMICONDUCTOR LIGHT-EMITTING DEVICE, METHOD FOR M...
- Publication number 20110095331
- Publication date Apr 28, 2011
- Showa Denko K.K.
- Kenzo Hanawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP III NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND PRODUCTIO...
- Publication number 20110095327
- Publication date Apr 28, 2011
- Showa Denko K.K.
- Hironao Shinohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIND TURBINE GENERATOR SYSTEM
- Publication number 20110049889
- Publication date Mar 3, 2011
- Hitachi, Ltd
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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
WIND POWER GENERATION SYSTEM
- Publication number 20100201330
- Publication date Aug 12, 2010
- Hitachi, Ltd.
- Masaya ICHINOSE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR PRODUCING GROUP III NITRIDE SEMICONDUCTOR LAYER, GROUP I...
- Publication number 20100025684
- Publication date Feb 4, 2010
- Showa Denko K.K.
- Hironao Shinohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wind Turbine Generator System
- Publication number 20090322087
- Publication date Dec 31, 2009
- Hitachi, Ltd
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wind turbine generator system
- Publication number 20090278354
- Publication date Nov 12, 2009
- Hitachi, Ltd.
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
GROUP III NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE, METHOD FOR P...
- Publication number 20090206361
- Publication date Aug 20, 2009
- Showa Denko K.K.,
- Hisayuki Miki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIND POWER GENERATION SYSTEM
- Publication number 20090200803
- Publication date Aug 13, 2009
- Masaya ICHINOSE
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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
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
Wind Power Generation System and Control Method Thereof
- Publication number 20080304188
- Publication date Dec 11, 2008
- Hitachi, Ltd.
- Masaya ICHINOSE
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wind Power Generation System and Method of Controlling Power Converter
- Publication number 20080296898
- Publication date Dec 4, 2008
- Hitachi, Ltd.
- Masaya ICHINOSE
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
N-Type Group III Nitride Semiconductor Layered Structure
- Publication number 20080230800
- Publication date Sep 25, 2008
- Akira Bandoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wind turbine generator system
- Publication number 20080185845
- Publication date Aug 7, 2008
- Hitachi, Ltd
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Group III Nitride Semiconductor Light-Emitting Device
- Publication number 20080035908
- Publication date Feb 14, 2008
- Showa Denko K.K.
- Hiromitsu Sakai
- B82 - NANO-TECHNOLOGY
Information Patent Application
Process for producing group III nitride semiconductor stacked struc...
- Publication number 20070284599
- Publication date Dec 13, 2007
- SHOWA DENKO K.K.
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wind Turbine Generator System
- Publication number 20070200348
- Publication date Aug 30, 2007
- Hitachi, Ltd
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Group-III nitride semiconductor device
- Publication number 20070126009
- Publication date Jun 7, 2007
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Group III nitride semiconductor stacked structure and production me...
- Publication number 20070080369
- Publication date Apr 12, 2007
- Showa Denko K.K.
- Hiromitsu Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wind turbine generator system
- Publication number 20060244265
- Publication date Nov 2, 2006
- Hitachi, Ltd.
- Masaya Ichinose
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Hiromitsu Sakai

Person

Patents Grantslast 30 patents

Semiconductor light-emitting element manufacturing method, lamp, el...

DC/AC power converter with DC side double frequency pulsation suppr...

Method for manufacturing semiconductor light emitting element, semi...

Method of manufacturing semiconductor light emitting element includ...

Method for manufacturing group III nitride semiconductor light emit...

Semiconductor light-emitting device with a concavo-convex part form...

Method for producing group III nitride semiconductor layer, group I...

Group-III nitride semiconductor light emitting device and productio...

Group-III nitride semiconductor light-emitting device, method for m...

Wind power generation system

Group III nitride compound semiconductor stacked structure

Group-III nitride semiconductor device

Wind power generation system and control method thereof

Wind turbine generator system

Wind turbine generator system

Group III nitride semiconductor light emitting device, method for p...

Wind turbine generator system

Wind power generation system and method of controlling power converter

Group III nitride semiconductor stacked structure and production me...

N-type group III nitride semiconductor layered structure

Wind turbine generator system

Wind turbine generator system

Wind power generation system

Group III nitride semiconductor light-emitting device

Wind turbine generator system

Wind turbine generator system

Wind turbine generator system

Semiconductor power converting apparatus

Semiconductor power conversion apparatus

Semiconductor power conversion apparatus

Patents Applicationslast 30 patents

METHOD OF MANUFACTURING SEMICONDUCTOR LIGHT EMITTING ELEMENT, SEMIC...

METHOD FOR MANUFACTURING SEMICONDUCTOR LIGHT EMITTING ELEMENT, SEMI...

Semiconductor Power Conversion Apparatus

SEMICONDUCTOR LIGHT-EMITTING ELEMENT MANUFACTURING METHOD, LAMP, EL...

WIND TURBINE GENERATOR SYSTEM

WIND TURBINE GENERATOR SYSTEM

SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND SEMICONDUCTOR LIGHT-EMITTI...

METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR LIGHT EMIT...

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

GROUP III NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND PRODUCTIO...

WIND TURBINE GENERATOR SYSTEM

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

WIND POWER GENERATION SYSTEM

METHOD FOR PRODUCING GROUP III NITRIDE SEMICONDUCTOR LAYER, GROUP I...

Wind Turbine Generator System

Wind turbine generator system

GROUP III NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE, METHOD FOR P...

WIND POWER GENERATION SYSTEM

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

GROUP III NITRIDE COMPOUND SEMICONDUCTOR STACKED STRUCTURE

Wind Power Generation System and Control Method Thereof

Wind Power Generation System and Method of Controlling Power Converter

N-Type Group III Nitride Semiconductor Layered Structure

Wind turbine generator system

Group III Nitride Semiconductor Light-Emitting Device

Process for producing group III nitride semiconductor stacked struc...

Wind Turbine Generator System

Group-III nitride semiconductor device

Group III nitride semiconductor stacked structure and production me...

Wind turbine generator system