Hirokazu Fujiwara

Person

Miyoshi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and semiconductor device manufacturing method
- Patent number 10,020,390
- Issue date Jul 10, 2018
- Toyota Jidosha Kabushiki Kaisha
- Jun Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching device and method of manufacturing the same
- Patent number 9,954,096
- Issue date Apr 24, 2018
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 9,899,469
- Issue date Feb 20, 2018
- Toyota Jidosha Kabushiki Kaisha
- Shinya Nishimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with front and rear surface electrodes on a su...
- Patent number 9,853,141
- Issue date Dec 26, 2017
- Toyota Jidosha Kabushiki Kaisha
- Jun Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Insulated gate type semiconductor device having floating regions at...
- Patent number 9,780,205
- Issue date Oct 3, 2017
- Toyota Jidosha Kabushiki Kaisha
- Jun Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method of semiconductor device
- Patent number 9,607,836
- Issue date Mar 28, 2017
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wafer examination device and wafer examination method
- Patent number 9,201,094
- Issue date Dec 1, 2015
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu Fujiwara
- G01 - MEASURING TESTING
Information Patent Grant
Method for producing semiconductor device
- Patent number 9,142,411
- Issue date Sep 22, 2015
- Toyota Jidosha Kabushiki Kaisha
- Masatoshi Tsujimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching element and manufacturing method thereof
- Patent number 8,748,975
- Issue date Jun 10, 2014
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing silicon carbide semiconductor device
- Patent number 8,470,672
- Issue date Jun 25, 2013
- Denso Corporation
- Takeshi Endo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device manufacturing method
- Patent number 8,440,524
- Issue date May 14, 2013
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu Fujiwara
- C21 - METALLURGY OF IRON
Information Patent Grant
SiC semiconductor device having Schottky barrier diode and method f...
- Patent number 8,436,365
- Issue date May 7, 2013
- Denso Corporation
- Takeo Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device with Schottky barrier diode an...
- Patent number 8,324,704
- Issue date Dec 4, 2012
- Denso Corporation
- Takeo Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device making method
- Patent number 8,168,485
- Issue date May 1, 2012
- Denso Corporation
- Takeshi Endo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing thereof
- Patent number 8,164,100
- Issue date Apr 24, 2012
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Forming impurity regions in silicon carbide devices
- Patent number 8,163,637
- Issue date Apr 24, 2012
- Toyota Jidosha Kabushiki Kaisha
- Masaki Konishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method of a semiconductor device
- Patent number 7,855,131
- Issue date Dec 21, 2010
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Switching Device and Method of Manufacturing the Same
- Publication number 20180090612
- Publication date Mar 29, 2018
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu FUJIWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20170317162
- Publication date Nov 2, 2017
- Toyota Jidosha Kabushiki Kaisha
- Shinya NISHIMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20170040446
- Publication date Feb 9, 2017
- Toyota Jidosha Kabushiki Kaisha
- Jun SAITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD
- Publication number 20170012121
- Publication date Jan 12, 2017
- Toyota Jidosha Kabushiki Kaisha
- Jun SAITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INSULATED GATE TYPE SEMICONDUCTOR DEVICE MANUFACTURING METHOD AND I...
- Publication number 20160329422
- Publication date Nov 10, 2016
- Toyota Jidosha Kabushiki Kaisha
- Jun SAITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE
- Publication number 20150214052
- Publication date Jul 30, 2015
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WAFER EXAMINATION DEVICE AND WAFER EXAMIINATION METHOD
- Publication number 20140159705
- Publication date Jun 12, 2014
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu Fujiwara
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR PRODUCING SEMICONDUCTOR DEVICE
- Publication number 20140162443
- Publication date Jun 12, 2014
- Toyota Jidosha Kabushiki Kaisha
- Masatoshi TSUJIMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCHING ELEMENT AND MANUFACTURING METHOD THEREOF
- Publication number 20130146969
- Publication date Jun 13, 2013
- Hirokazu FUJIWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCHING DEVICE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20130105889
- Publication date May 2, 2013
- Denso Corporation
- Hirokazu FUJIWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE
- Publication number 20120052642
- Publication date Mar 1, 2012
- TOYOTA JIDOSHA KABUSHIKI KAISHA
- Takeshi ENDO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SIC SEMICONDUCTOR DEVICE HAVING SCHOTTKY BARRIER DIODE AND METHOD F...
- Publication number 20110204383
- Publication date Aug 25, 2011
- DENSO CORPORATION
- Takeo YAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE MANUFACTURIING METHOD
- Publication number 20110207321
- Publication date Aug 25, 2011
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu FUJIWARA
- C21 - METALLURGY OF IRON
Information Patent Application
SEMICONDUCTOR DEVICE MANUFACTURING METHOD
- Publication number 20110151654
- Publication date Jun 23, 2011
- Toyota Jidosha Kabushiki Kaisha
- Masaki KONISHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Silicon carbide semiconductor device with schottky barrier diode an...
- Publication number 20100244049
- Publication date Sep 30, 2010
- DENSO CORPORATION
- Takeo Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and method of making the same
- Publication number 20100032730
- Publication date Feb 11, 2010
- DENSO CORPORATION
- Takeshi Endo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Manufacturing method of a semiconductor device
- Publication number 20090269908
- Publication date Oct 29, 2009
- Toyota Jidosha Kabushiki Kaisha
- Hirokazu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and manufacturing method of the same
- Publication number 20090267082
- Publication date Oct 29, 2009
- DENSO CORPORATION
- Takeo Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Diode having Schottky junction and PN junction and method for manuf...
- Publication number 20090230405
- Publication date Sep 17, 2009
- DENSO CORPORATION
- Takeo Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Diode
- Publication number 20090224353
- Publication date Sep 10, 2009
- DENSO CORPORATION
- Takeo Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20090160008
- Publication date Jun 25, 2009
- Hirokazu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THEREOF
- Publication number 20090159898
- Publication date Jun 25, 2009
- Hirokazu FUJIWARA
- H01 - BASIC ELECTRIC ELEMENTS

Hirokazu Fujiwara

Person

Patents Grantslast 30 patents

Semiconductor device and semiconductor device manufacturing method

Switching device and method of manufacturing the same

Semiconductor device and manufacturing method thereof

Semiconductor device with front and rear surface electrodes on a su...

Insulated gate type semiconductor device having floating regions at...

Semiconductor device and manufacturing method of semiconductor device

Wafer examination device and wafer examination method

Method for producing semiconductor device

Switching element and manufacturing method thereof

Method of manufacturing silicon carbide semiconductor device

Semiconductor device manufacturing method

SiC semiconductor device having Schottky barrier diode and method f...

Silicon carbide semiconductor device with Schottky barrier diode an...

Semiconductor device making method

Semiconductor device and method of manufacturing thereof

Forming impurity regions in silicon carbide devices

Manufacturing method of a semiconductor device

Patents Applicationslast 30 patents

Switching Device and Method of Manufacturing the Same

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD

INSULATED GATE TYPE SEMICONDUCTOR DEVICE MANUFACTURING METHOD AND I...

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE

WAFER EXAMINATION DEVICE AND WAFER EXAMIINATION METHOD

METHOD FOR PRODUCING SEMICONDUCTOR DEVICE

SWITCHING ELEMENT AND MANUFACTURING METHOD THEREOF

SWITCHING DEVICE AND METHOD FOR MANUFACTURING THE SAME

METHOD OF MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE

SIC SEMICONDUCTOR DEVICE HAVING SCHOTTKY BARRIER DIODE AND METHOD F...

SEMICONDUCTOR DEVICE MANUFACTURIING METHOD

SEMICONDUCTOR DEVICE MANUFACTURING METHOD

Silicon carbide semiconductor device with schottky barrier diode an...

Semiconductor device and method of making the same

Manufacturing method of a semiconductor device

Semiconductor device and manufacturing method of the same

Diode having Schottky junction and PN junction and method for manuf...

Diode

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THEREOF