Keiji Wada

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sealing method for liquid inlet port of power storage device
- Patent number 12,076,806
- Issue date Sep 3, 2024
- NAG SYSTEM CO., LTD.
- Hidemasa Nagamine
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for manufacturing silicon carbide epitaxial substrate and me...
- Patent number 12,020,927
- Issue date Jun 25, 2024
- Sumitomo Electric Industries, Ltd.
- Takaya Miyase
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for manufacturing silicon carbide epitaxial substrate and me...
- Patent number 11,735,415
- Issue date Aug 22, 2023
- Sumitomo Electric Industries, Ltd.
- Takaya Miyase
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Silicon carbide epitaxial substrate and method for manufacturing si...
- Patent number 11,530,491
- Issue date Dec 20, 2022
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Silicon carbide epitaxial substrate and method for manufacturing si...
- Patent number 11,053,607
- Issue date Jul 6, 2021
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Silicon carbide epitaxial substrate having grooves extending along...
- Patent number 11,004,941
- Issue date May 11, 2021
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide epitaxial substrate and method for manufacturing si...
- Patent number 10,825,903
- Issue date Nov 3, 2020
- Sumitomo Electric Industries, Ltd
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide epitaxial substrate and method for manufacturing si...
- Patent number 10,811,500
- Issue date Oct 20, 2020
- Sumitomo Electric Industries, Ltd
- Hironori Itoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide epitaxial substrate having grooves extending along...
- Patent number 10,770,550
- Issue date Sep 8, 2020
- Sumitomo Electric Industries, Ltd
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method for manufacturing same
- Patent number 10,741,683
- Issue date Aug 11, 2020
- Sumitomo Electric Industries, Ltd
- Shin Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing silicon carbide epitaxial substrate, metho...
- Patent number 10,697,086
- Issue date Jun 30, 2020
- Sumitomo Electric Industries, Ltd
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device
- Patent number 10,504,996
- Issue date Dec 10, 2019
- Sumitomo Electric Industries, Ltd
- Kosuke Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide epitaxial substrate having a silicon carbide layer...
- Patent number 10,490,634
- Issue date Nov 26, 2019
- Sumitomo Electric Industries, Ltd
- Keiji Wada
- C30 - CRYSTAL GROWTH
Information Patent Grant
Silicon carbide epitaxial substrate and method for manufacturing si...
- Patent number 10,396,163
- Issue date Aug 27, 2019
- Sumitomo Electric Industries, Ltd
- Keiji Wada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for manufacturing silicon carbide epitaxial substrate, silic...
- Patent number 10,229,836
- Issue date Mar 12, 2019
- Sumitomo Electric Industries, Ltd
- Keiji Wada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Silicon carbide semiconductor device and method for manufacturing same
- Patent number 10,211,284
- Issue date Feb 19, 2019
- Sumitomo Electric Industries, Ltd
- Takeyoshi Masuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device and method for manufacturing same
- Patent number 10,192,960
- Issue date Jan 29, 2019
- Sumitomo Electric Industries, Ltd
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device
- Patent number 10,192,961
- Issue date Jan 29, 2019
- Sumitomo Electric Industries, Ltd
- Kosuke Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing stacked metal foil, method for manufacturi...
- Patent number 10,181,594
- Issue date Jan 15, 2019
- NAG SYSTEM CO., LTD.
- Hidemasa Nagamine
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor device and method for manufacturing same
- Patent number 9,947,782
- Issue date Apr 17, 2018
- Sumitomo Electric Industries, Ltd
- Shin Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device and method of manufacturing th...
- Patent number 9,887,263
- Issue date Feb 6, 2018
- Sumitomo Electric Industries, Ltd
- Toru Hiyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device and method of manufacturing th...
- Patent number 9,799,515
- Issue date Oct 24, 2017
- Sumitomo Electric Industries, Ltd
- Toru Hiyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing silicon carbide epitaxial substrate, and s...
- Patent number 9,777,404
- Issue date Oct 3, 2017
- Sumitomo Electric Industries, Ltd
- Keiji Wada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Silicon carbide semiconductor device and method for manufacturing same
- Patent number 9,728,628
- Issue date Aug 8, 2017
- Sumitomo Electric Industries, Ltd
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device and method for manufacturing t...
- Patent number 9,728,633
- Issue date Aug 8, 2017
- Sumitomo Electric Industries, Ltd
- Toru Hiyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device and method for manufacturing t...
- Patent number 9,722,027
- Issue date Aug 1, 2017
- Sumitomo Electric Industries, Ltd
- Toru Hiyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device
- Patent number 9,691,859
- Issue date Jun 27, 2017
- Sumitomo Electric Industries, Ltd
- Toru Hiyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device
- Patent number 9,679,986
- Issue date Jun 13, 2017
- Sumitomo Electric Industries, Ltd
- Takeyoshi Masuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device and method of manufacturing th...
- Patent number 9,680,006
- Issue date Jun 13, 2017
- Sumitomo Electric Industries, Ltd
- Toru Hiyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon carbide semiconductor device
- Patent number 9,647,072
- Issue date May 9, 2017
- Sumitomo Electric Industries, Ltd
- Toru Hiyoshi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTROSTATIC ENERGY STORAGE WELDING MACHINE
- Publication number 20220055144
- Publication date Feb 24, 2022
- Hidemasa Nagamine
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SEALING METHOD FOR LIQUID INLET PORT OF POWER STORAGE DEVICE
- Publication number 20220055143
- Publication date Feb 24, 2022
- Hidemasa Nagamine
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR MANUFACTURING SILICON CARBIDE EPITAXIAL SUBSTRATE AND ME...
- Publication number 20210313175
- Publication date Oct 7, 2021
- Sumitomo Electric Industries, Ltd.
- Takaya MIYASE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD FOR MANUFACTURING SI...
- Publication number 20210296443
- Publication date Sep 23, 2021
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING SILICON CARBIDE EPITAXIAL SUBSTRATE AND ME...
- Publication number 20210166941
- Publication date Jun 3, 2021
- Takaya MIYASE
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SILICON CARBIDE EPITAXIAL SUBSTRATE HAVING GROOVES EXTENDING ALONG...
- Publication number 20200365693
- Publication date Nov 19, 2020
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD OF MANUFACTURING SIL...
- Publication number 20200052074
- Publication date Feb 13, 2020
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING A SILICON CARBIDE EPITAXIAL SUBSTRATE
- Publication number 20200043725
- Publication date Feb 6, 2020
- Sumitomo Electric Industries, Ltd.
- Keiji WADA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD FOR MANUFACTURING SI...
- Publication number 20200013858
- Publication date Jan 9, 2020
- Sumitomo Electric Industries, Ltd.
- Hironori ITOH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD FOR MANUFACTURING SI...
- Publication number 20190355820
- Publication date Nov 21, 2019
- Sumitomo Electric Industries, Ltd.
- Keiji WADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Resistance-Welding Equipment
- Publication number 20190193190
- Publication date Jun 27, 2019
- NAG SYSTEM CO., LTD.
- Keiji Wada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20190140056
- Publication date May 9, 2019
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE
- Publication number 20190123146
- Publication date Apr 25, 2019
- Sumitomo Electric Industries, Ltd.
- Kosuke Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD FOR MANUFACTURING SI...
- Publication number 20190019868
- Publication date Jan 17, 2019
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD FOR MANUFACTURING SI...
- Publication number 20180363166
- Publication date Dec 20, 2018
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD OF MANUFACTURING SIL...
- Publication number 20180277635
- Publication date Sep 27, 2018
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR MANUFACTURING SILICON CARBIDE EPITAXIAL SUBSTRATE, METHO...
- Publication number 20180237942
- Publication date Aug 23, 2018
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- C30 - CRYSTAL GROWTH
Information Patent Application
SILICON CARBIDE EPITAXIAL SUBSTRATE
- Publication number 20180233562
- Publication date Aug 16, 2018
- Sumitomo Electric Industries, Ltd.
- Taro NISHIGUCHI
- C30 - CRYSTAL GROWTH
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20180204942
- Publication date Jul 19, 2018
- Sumitomo Electric Industries, Ltd.
- Shin Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING SILICON CARBIDE EPITAXIAL SUBSTRATE, SILIC...
- Publication number 20180096854
- Publication date Apr 5, 2018
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- C30 - CRYSTAL GROWTH
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE
- Publication number 20180040701
- Publication date Feb 8, 2018
- Sumitomo Electric Industries, Ltd.
- Kosuke Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LAMINATE
- Publication number 20180005816
- Publication date Jan 4, 2018
- Sumitomo Electric Industries, Ltd.
- Kenji Kanbara
- C30 - CRYSTAL GROWTH
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING TH...
- Publication number 20170250082
- Publication date Aug 31, 2017
- Sumitomo Electric Industries, Ltd.
- Toru HIYOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING TH...
- Publication number 20170154953
- Publication date Jun 1, 2017
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20170117381
- Publication date Apr 27, 2017
- Sumitomo Electric Industries, Ltd.
- Takeyoshi Masuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING SILICON CARBIDE EPITAXIAL SUBSTRATE, AND S...
- Publication number 20160355949
- Publication date Dec 8, 2016
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- C30 - CRYSTAL GROWTH
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20160351667
- Publication date Dec 1, 2016
- Sumitomo Electric Industries, Ltd.
- Keiji Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE
- Publication number 20160300943
- Publication date Oct 13, 2016
- Sumitomo Electric Industries, Ltd.
- Toru HIYOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20160293690
- Publication date Oct 6, 2016
- Sumitomo Electric Industries, Ltd.
- Takeyoshi MASUDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING T...
- Publication number 20160247911
- Publication date Aug 25, 2016
- Sumitomo Electric Industries, Ltd.
- Toru Hiyoshi
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Sealing method for liquid inlet port of power storage device

Method for manufacturing silicon carbide epitaxial substrate and me...

Method for manufacturing silicon carbide epitaxial substrate and me...

Silicon carbide epitaxial substrate and method for manufacturing si...

Silicon carbide epitaxial substrate and method for manufacturing si...

Silicon carbide epitaxial substrate having grooves extending along...

Silicon carbide epitaxial substrate and method for manufacturing si...

Silicon carbide epitaxial substrate and method for manufacturing si...

Silicon carbide epitaxial substrate having grooves extending along...

Semiconductor device and method for manufacturing same

Method for manufacturing silicon carbide epitaxial substrate, metho...

Silicon carbide semiconductor device

Silicon carbide epitaxial substrate having a silicon carbide layer...

Silicon carbide epitaxial substrate and method for manufacturing si...

Method for manufacturing silicon carbide epitaxial substrate, silic...

Silicon carbide semiconductor device and method for manufacturing same

Silicon carbide semiconductor device and method for manufacturing same

Silicon carbide semiconductor device

Method for manufacturing stacked metal foil, method for manufacturi...

Semiconductor device and method for manufacturing same

Silicon carbide semiconductor device and method of manufacturing th...

Silicon carbide semiconductor device and method of manufacturing th...

Method for manufacturing silicon carbide epitaxial substrate, and s...

Silicon carbide semiconductor device and method for manufacturing same

Silicon carbide semiconductor device and method for manufacturing t...

Silicon carbide semiconductor device and method for manufacturing t...

Silicon carbide semiconductor device

Silicon carbide semiconductor device

Silicon carbide semiconductor device and method of manufacturing th...

Silicon carbide semiconductor device

Patents Applicationslast 30 patents

ELECTROSTATIC ENERGY STORAGE WELDING MACHINE

SEALING METHOD FOR LIQUID INLET PORT OF POWER STORAGE DEVICE

METHOD FOR MANUFACTURING SILICON CARBIDE EPITAXIAL SUBSTRATE AND ME...

SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD FOR MANUFACTURING SI...

METHOD FOR MANUFACTURING SILICON CARBIDE EPITAXIAL SUBSTRATE AND ME...

SILICON CARBIDE EPITAXIAL SUBSTRATE HAVING GROOVES EXTENDING ALONG...

SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD OF MANUFACTURING SIL...

METHOD FOR MANUFACTURING A SILICON CARBIDE EPITAXIAL SUBSTRATE

SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD FOR MANUFACTURING SI...

SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD FOR MANUFACTURING SI...

Resistance-Welding Equipment

SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME

SILICON CARBIDE SEMICONDUCTOR DEVICE

SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD FOR MANUFACTURING SI...

SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD FOR MANUFACTURING SI...

SILICON CARBIDE EPITAXIAL SUBSTRATE AND METHOD OF MANUFACTURING SIL...

METHOD FOR MANUFACTURING SILICON CARBIDE EPITAXIAL SUBSTRATE, METHO...

SILICON CARBIDE EPITAXIAL SUBSTRATE

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME

METHOD FOR MANUFACTURING SILICON CARBIDE EPITAXIAL SUBSTRATE, SILIC...

SILICON CARBIDE SEMICONDUCTOR DEVICE

SEMICONDUCTOR LAMINATE

SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING TH...

SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING TH...

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME

METHOD FOR MANUFACTURING SILICON CARBIDE EPITAXIAL SUBSTRATE, AND S...

SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME

SILICON CARBIDE SEMICONDUCTOR DEVICE

SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME

SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING T...