Tohru OKA

Person

Kiyosu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing semiconductor device and edge termination...
- Patent number 10,879,349
- Issue date Dec 29, 2020
- TOYODA GOSET CO., LTD.
- Tohru Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing semiconductor device
- Patent number 10,490,408
- Issue date Nov 26, 2019
- Toyoda Gosei Co., Ltd.
- Junya Nishii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and power converter
- Patent number 10,468,515
- Issue date Nov 5, 2019
- Toyoda Gosei Co., Ltd.
- Tsutomu Ina
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 10,403,727
- Issue date Sep 3, 2019
- Toyoda Gosei Co., Ltd.
- Tsutomu Ina
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing nitride semiconductor device
- Patent number 10,332,754
- Issue date Jun 25, 2019
- Toyoda Gosei Co., Ltd.
- Takaki Niwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Schottky barrier diode
- Patent number 10,276,731
- Issue date Apr 30, 2019
- Toyoda Gosei Co., Ltd.
- Kazuya Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing semiconductor device including an n type se...
- Patent number 10,256,323
- Issue date Apr 9, 2019
- Toyoda Gosei Co., Ltd.
- Nariaki Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and production method therefor
- Patent number 10,236,373
- Issue date Mar 19, 2019
- Toyoda Gosei Co., Ltd.
- Junichiro Kurosaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 10,177,234
- Issue date Jan 8, 2019
- Toyoda Gosei Co., Ltd.
- Nariaki Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 10,153,352
- Issue date Dec 11, 2018
- Toyoda Gosei Co., Ltd.
- Nariaki Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing semiconductor device, and semiconductor device
- Patent number 10,153,356
- Issue date Dec 11, 2018
- Toyoda Gosei Co., Ltd.
- Tohru Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device including insulating film that includes negati...
- Patent number 10,026,808
- Issue date Jul 17, 2018
- Toyoda Gosei Co., Ltd.
- Tohru Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
MPS diode
- Patent number 10,026,851
- Issue date Jul 17, 2018
- Toyoda Gosei Co., Ltd.
- Takaki Niwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method of the same
- Patent number 9,972,725
- Issue date May 15, 2018
- Toyoda Gosei Co., Ltd.
- Kazuya Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device, method for manufacturing the same and power c...
- Patent number 9,905,432
- Issue date Feb 27, 2018
- Toyoda Gosei Co., Ltd.
- Takaki Niwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 9,831,311
- Issue date Nov 28, 2017
- Toyoda Gosei Co., Ltd.
- Tsutomu Ina
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
MIS-type semiconductor device
- Patent number 9,793,369
- Issue date Oct 17, 2017
- Toyoda Gosei Co., Ltd.
- Tohru Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method of semiconductor device
- Patent number 9,741,578
- Issue date Aug 22, 2017
- Toyoda Gosei Co., Ltd.
- Kota Yasunishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 9,711,661
- Issue date Jul 18, 2017
- Toyoda Gosei Co., Ltd.
- Tohru Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method for manufacturing semiconductor device
- Patent number 9,704,952
- Issue date Jul 11, 2017
- Toyoda Gosei Co., Ltd.
- Takaki Niwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device including an insulating layer which includes n...
- Patent number 9,691,846
- Issue date Jun 27, 2017
- Toyoda Gosei Co., Ltd.
- Tohru Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device, method of manufacturing the same and power co...
- Patent number 9,685,348
- Issue date Jun 20, 2017
- Toyoda Gosei Co., Ltd.
- Tsutomu Ina
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 9,653,564
- Issue date May 16, 2017
- Toyoda Gosei Co., Ltd.
- Nariaki Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method of the semiconductor device electrode having t...
- Patent number 9,583,580
- Issue date Feb 28, 2017
- Toyoda Gosei Co., Ltd.
- Nariaki Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 9,559,218
- Issue date Jan 31, 2017
- Toyoda Gosei Co., Ltd.
- Kazuya Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device, manufacturing method of the same and method o...
- Patent number 9,548,204
- Issue date Jan 17, 2017
- Toyoda Gosei Co., Ltd.
- Junya Nishii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device including first and second gate insulating fil...
- Patent number 9,466,706
- Issue date Oct 11, 2016
- Toyoda Gosei Co., Ltd.
- Noriaki Murakami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method of the same
- Patent number 9,431,260
- Issue date Aug 30, 2016
- Toyoda Gosei Co., Ltd.
- Nariaki Tanaka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20190097004
- Publication date Mar 28, 2019
- Toyoda Gosei Co., Ltd.
- Tsutomu INA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE AND EDGE TERMINATION...
- Publication number 20180286945
- Publication date Oct 4, 2018
- TOYODA GOSEI CO.. LTD.
- Tohru Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
- Publication number 20180286685
- Publication date Oct 4, 2018
- Toyoda Gosei Co., Ltd.
- Junya NISHII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SCHOTTKY BARRIER DIODE
- Publication number 20180269335
- Publication date Sep 20, 2018
- Toyoda Gosei Co., Ltd.
- Kazuya HASEGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20180261673
- Publication date Sep 13, 2018
- Toyoda Gosei Co., Ltd.
- Nariaki TANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20180069135
- Publication date Mar 8, 2018
- Toyoda Gosei Co., Ltd.
- Kazuya Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND PRODUCTION METHOD THEREFOR
- Publication number 20180026131
- Publication date Jan 25, 2018
- Toyoda Gosei Co., Ltd.
- Junichiro KUROSAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND SEMICONDUCTOR DEVICE
- Publication number 20170278950
- Publication date Sep 28, 2017
- Toyoda Gosei Co., Ltd.
- Nariaki TANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND SEMICONDUCTOR DEVICE
- Publication number 20170278952
- Publication date Sep 28, 2017
- TOYODA GOSEI CO.,LTD.
- Tohru OKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20170263725
- Publication date Sep 14, 2017
- Toyoda Gosei Co., Ltd.
- Nariaki TANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20170263701
- Publication date Sep 14, 2017
- Toyoda Gosei Co., Ltd.
- Tohru OKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MPS DIODE
- Publication number 20170256657
- Publication date Sep 7, 2017
- Toyoda Gosei Co., Ltd.
- Takaki NIWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND POWER CONVERTER
- Publication number 20170092754
- Publication date Mar 30, 2017
- Toyoda Gosei Co., Ltd.
- Tsutomu INA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD OF MANUFACTURING NITRIDE SEMICONDUCTOR DEVICE
- Publication number 20170092493
- Publication date Mar 30, 2017
- Toyoda Gosei Co., Ltd.
- Takaki NIWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor Device And Manufacturing Method Thereof
- Publication number 20160365421
- Publication date Dec 15, 2016
- Toyoda Gosei Co., Ltd.
- Kazuya Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20160284812
- Publication date Sep 29, 2016
- Toyoda Gosei Co., Ltd.
- Nariaki TANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
- Publication number 20160284843
- Publication date Sep 29, 2016
- Toyoda Gosei Co., Ltd.
- Takaki NIWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING THE SAME AND POWER C...
- Publication number 20160284563
- Publication date Sep 29, 2016
- Toyoda Gosei Co., Ltd.
- Takaki NIWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME AND POWER CO...
- Publication number 20160276172
- Publication date Sep 22, 2016
- Toyoda Gosei Co., Ltd.
- Tsutomu INA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME AND POWER CO...
- Publication number 20160260832
- Publication date Sep 8, 2016
- Toyoda Gosei Co., Ltd.
- Tohru OKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20160254392
- Publication date Sep 1, 2016
- Toyoda Gosei Co., Ltd.
- Kazuya Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20160163792
- Publication date Jun 9, 2016
- Toyoda Gosei Co., Ltd.
- Tohru OKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20160093703
- Publication date Mar 31, 2016
- Toyoda Gosei Co., Ltd.
- Tsutomu INA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20160087051
- Publication date Mar 24, 2016
- Toyoda Gosei Co., Ltd.
- Nariaki TANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE, MANUFACTURING METHOD OF THE SAME AND METHOD O...
- Publication number 20160071732
- Publication date Mar 10, 2016
- Toyoda Gosei Co., Ltd.
- Junya Nishii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MIS-type Semiconductor Device
- Publication number 20160064502
- Publication date Mar 3, 2016
- Toyoda Gosei Co., Ltd.
- Tohru Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20160013282
- Publication date Jan 14, 2016
- Toyoda Gosei Co., Ltd.
- Noriaki MURAKAMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor Device And Manufacturing Method Thereof
- Publication number 20150295096
- Publication date Oct 15, 2015
- Toyoda Gosei Co., Ltd.
- Tohru OKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor Device And Manufacturing Method Of The Same
- Publication number 20150243516
- Publication date Aug 27, 2015
- Toyoda Gosei Co., Ltd.
- Tsutomu INA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Manufacturing Method Of Semiconductor Device
- Publication number 20150228493
- Publication date Aug 13, 2015
- Toyoda Gosei Co., Ltd.
- Kota YASUNISHI
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Method for manufacturing semiconductor device and edge termination...

Method for manufacturing semiconductor device

Semiconductor device and power converter

Semiconductor device

Method of manufacturing nitride semiconductor device

Schottky barrier diode

Method of manufacturing semiconductor device including an n type se...

Semiconductor device and production method therefor

Semiconductor device

Semiconductor device

Method of manufacturing semiconductor device, and semiconductor device

Semiconductor device including insulating film that includes negati...

MPS diode

Semiconductor device and manufacturing method of the same

Semiconductor device, method for manufacturing the same and power c...

Semiconductor device and method of manufacturing the same

MIS-type semiconductor device

Manufacturing method of semiconductor device

Semiconductor device and manufacturing method thereof

Semiconductor device and method for manufacturing semiconductor device

Semiconductor device including an insulating layer which includes n...

Semiconductor device, method of manufacturing the same and power co...

Semiconductor device and method of manufacturing the same

Manufacturing method of the semiconductor device electrode having t...

Semiconductor device and method of manufacturing the same

Semiconductor device, manufacturing method of the same and method o...

Semiconductor device including first and second gate insulating fil...

Semiconductor device and manufacturing method of the same

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE AND EDGE TERMINATION...

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

SCHOTTKY BARRIER DIODE

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME

SEMICONDUCTOR DEVICE AND PRODUCTION METHOD THEREFOR

METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND SEMICONDUCTOR DEVICE

METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME

MPS DIODE

SEMICONDUCTOR DEVICE AND POWER CONVERTER

METHOD OF MANUFACTURING NITRIDE SEMICONDUCTOR DEVICE

Semiconductor Device And Manufacturing Method Thereof

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING THE SAME AND POWER C...

SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME AND POWER CO...

SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME AND POWER CO...

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME

SEMICONDUCTOR DEVICE, MANUFACTURING METHOD OF THE SAME AND METHOD O...

MIS-type Semiconductor Device

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME

Semiconductor Device And Manufacturing Method Thereof

Semiconductor Device And Manufacturing Method Of The Same

Manufacturing Method Of Semiconductor Device