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Hiromu Shiomi
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Patents Grants
last 30 patents
Information
Patent Grant
Silicon carbide epitaxial substrate and silicon carbide semiconduct...
Patent number
12,125,881
Issue date
Oct 22, 2024
Sumitomo Electric Industries, Ltd.
Tsutomu Hori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device and method of manufacturing si...
Patent number
11,233,125
Issue date
Jan 25, 2022
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Schottky semiconductor device with junction termination extensions
Patent number
10,903,374
Issue date
Jan 26, 2021
Sumitomo Electric Industries, Ltd.
Hidenori Kitai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device, and method for manufacturing...
Patent number
10,707,299
Issue date
Jul 7, 2020
Sumitomo Electric Industries, Ltd
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
10,453,952
Issue date
Oct 22, 2019
Sumitomo Electric Industries, Ltd
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device
Patent number
10,424,642
Issue date
Sep 24, 2019
Sumitomo Electric Industries, Ltd
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing semiconductor device
Patent number
10,062,750
Issue date
Aug 28, 2018
Fuji Electric Co., Ltd.
Yusuke Kobayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device and method for manufacturing t...
Patent number
9,978,840
Issue date
May 22, 2018
Sumitomo Electric Industries, Ltd
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device and method for manufacturing t...
Patent number
9,954,054
Issue date
Apr 24, 2018
Sumitomo Electric Industries, Ltd
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing silicon carbide semiconductor device
Patent number
9,082,683
Issue date
Jul 14, 2015
Sumitomo Electric Industries, Ltd
Naoki Ooi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing semiconductor device
Patent number
8,883,619
Issue date
Nov 11, 2014
Sumitomo Electric Industries, Ltd
Hideto Tamaso
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing silicon carbide semiconductor device
Patent number
8,877,656
Issue date
Nov 4, 2014
Sumitomo Electric Industries, Ltd
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of cleaning silicon carbide semiconductor
Patent number
8,785,301
Issue date
Jul 22, 2014
Sumitomo Electric Industries, Ltd
Keiji Wada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing silicon carbide semiconductor device
Patent number
8,759,187
Issue date
Jun 24, 2014
Sumitomo Electric Industries, Ltd
Naoki Ooi
Information
Patent Grant
Method for manufacturing silicon carbide semiconductor device
Patent number
8,652,954
Issue date
Feb 18, 2014
Sumitomo Electric Industries, Ltd
Naoki Ooi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing silicon carbide semiconductor device
Patent number
8,642,476
Issue date
Feb 4, 2014
Sumitomo Electric Industries, Ltd
Satomi Itoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing silicon carbide semiconductor device
Patent number
8,642,436
Issue date
Feb 4, 2014
Sumitomo Electric Industries, Ltd
Naoki Ooi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing semiconductor device
Patent number
8,609,521
Issue date
Dec 17, 2013
Sumitomo Electric Industries, Ltd
Ryosuke Kubota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
III nitride semiconductor electronic device, method for manufacturi...
Patent number
8,502,310
Issue date
Aug 6, 2013
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming nitride semiconductor epitaxial layer and method...
Patent number
8,349,078
Issue date
Jan 8, 2013
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon carbide single crystal, silicon carbide substrate and manuf...
Patent number
8,013,343
Issue date
Sep 6, 2011
Sumitomo Electric Industries, Ltd
Hiromu Shiomi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for fabricating gallium nitride based semiconductor electron...
Patent number
7,998,836
Issue date
Aug 16, 2011
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of SiC single crystal growth and SiC single crystal
Patent number
7,837,789
Issue date
Nov 23, 2010
Toyota Jidosha Kabushiki Kaisha
Tsunenobu Kimoto
Information
Patent Grant
SiC wafer, SiC semiconductor device, and production method of SiC w...
Patent number
6,734,461
Issue date
May 11, 2004
Sixon Inc.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sic single crystal and method for growing the same
Patent number
6,660,084
Issue date
Dec 9, 2003
Sixon, Inc.
Hiromu Shiomi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of making SiC single crystal and apparatus for making SiC si...
Patent number
6,391,109
Issue date
May 21, 2002
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Tool tip and bonding tool comprising the tool tip and control metho...
Patent number
6,270,898
Issue date
Aug 7, 2001
Sumitomo Electric Industries, Ltd.
Katsuko Yamamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electron-emitting element, method of making the same, and electroni...
Patent number
6,267,637
Issue date
Jul 31, 2001
Sumitomo Electric Industries, Ltd.
Hirohisa Saito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making SiC single crystal and apparatus for making SiC si...
Patent number
6,193,797
Issue date
Feb 27, 2001
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Electron-emitting element
Patent number
6,184,611
Issue date
Feb 6, 2001
Sumitomo Electric Industries, Ltd.
Hirohisa Saito
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SIC SINGLE-CRYSTAL GROWTH APPARATUS
Publication number
20240295047
Publication date
Sep 5, 2024
SEC CARBON, Ltd.
Hiromu SHIOMI
C30 - CRYSTAL GROWTH
Information
Patent Application
SIC SINGLE-CRYSTAL GROWTH APPARATUS AND METHOD OF GROWING SIC CRYSTAL
Publication number
20240068125
Publication date
Feb 29, 2024
SEC CARBON, Ltd.
Hiromu SHIOMI
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICON CARBIDE EPITAXIAL SUBSTRATE AND SILICON CARBIDE SEMICONDUCT...
Publication number
20220059658
Publication date
Feb 24, 2022
Sumitomo Electric Industries, Ltd.
Tsutomu HORI
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SI...
Publication number
20200279921
Publication date
Sep 3, 2020
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20200251600
Publication date
Aug 6, 2020
Sumitomo Electric Industries, Ltd.
Hidenori KITAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE
Publication number
20180331209
Publication date
Nov 15, 2018
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20180315813
Publication date
Nov 1, 2018
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING A SILICON CARBIDE SEMICONDUCTOR DEVICE
Publication number
20180286979
Publication date
Oct 4, 2018
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
Publication number
20180040690
Publication date
Feb 8, 2018
Fuji Electric Co., Ltd.
Yusuke KOBAYASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING T...
Publication number
20170141186
Publication date
May 18, 2017
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING T...
Publication number
20170133466
Publication date
May 11, 2017
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE, AND METHOD FOR MANUFACTURING...
Publication number
20170133504
Publication date
May 11, 2017
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE, AND METHOD FOR MANUFACTURING...
Publication number
20170110534
Publication date
Apr 20, 2017
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE
Publication number
20140120682
Publication date
May 1, 2014
Sumitomo Electric Industries, Ltd.
Naoki Ooi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE
Publication number
20140057461
Publication date
Feb 27, 2014
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
Publication number
20130221375
Publication date
Aug 29, 2013
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
Publication number
20130137254
Publication date
May 30, 2013
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
Publication number
20130102141
Publication date
Apr 25, 2013
Sumitomo Electric Industries, Ltd.
Hiromu SHIOMI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE AND D...
Publication number
20130045592
Publication date
Feb 21, 2013
Sumitomo Electric Industries, Ltd.
Tomihito Miyazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
Publication number
20130040445
Publication date
Feb 14, 2013
Sumitomo Electric Industries, Ltd.
Ryosuke Kubota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR THIN-FILM MANUFACTURING METHOD, SEMICONDUCTOR THIN-FI...
Publication number
20120231615
Publication date
Sep 13, 2012
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD AND APPARATUS OF FABRICATING SILICON CARBIDE SEMICONDUCTOR D...
Publication number
20120214309
Publication date
Aug 23, 2012
Sumitomo Electric Industries, Ltd.
Satomi Itoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE, COMBINED SUBSTRATE, AND METHODS FOR MANUFACTU...
Publication number
20120211770
Publication date
Aug 23, 2012
Sumitomo Electric Industries, Ltd.
Hiromu SHIOMI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE
Publication number
20120208302
Publication date
Aug 16, 2012
Sumitomo Electric Industries, Ltd.
Satomi Itoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE
Publication number
20120184092
Publication date
Jul 19, 2012
Sumitomo Electric Industries, Ltd.
Naoki Ooi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE
Publication number
20120164810
Publication date
Jun 28, 2012
Sumitomo Electric Industries, Ltd.
Naoki Ooi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF CLEANING SILICON CARBIDE SEMICONDUCTOR
Publication number
20120149175
Publication date
Jun 14, 2012
Sumitomo Electric Industries, Ltd.
Keiji WADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
Publication number
20120129326
Publication date
May 24, 2012
Sumitomo Electric Industries, Ltd.
Hideto TAMASO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SUBSTRATE, EPITAXIAL LAYER PROVIDED SUBSTRATE, SEMI...
Publication number
20120119225
Publication date
May 17, 2012
Sumitomo Electric Industries, Ltd.
Hiromu Shiomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20120104556
Publication date
May 3, 2012
Sumitomo Electric Industries, Ltd.
Makoto KIYAMA
H01 - BASIC ELECTRIC ELEMENTS