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Kunitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Silicon carbide semiconductor device, power conversion device, thre...
Patent number
11,978,794
Issue date
May 7, 2024
Hitachi, Ltd.
Takeru Suto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
11,967,624
Issue date
Apr 23, 2024
Hitachi, Ltd.
Naoki Tega
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
11,527,615
Issue date
Dec 13, 2022
Hitachi, Ltd.
Takeru Suto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device
Patent number
11,088,276
Issue date
Aug 10, 2021
Hitachi, Ltd.
Takeru Suto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device with horizontal and vertical c...
Patent number
10,790,386
Issue date
Sep 29, 2020
Hitachi, Ltd.
Yuan Bu
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Semiconductor device and method for manufacturing same, power conve...
Patent number
10,290,704
Issue date
May 14, 2019
Hitachi, Ltd.
Naoki Tega
B61 - RAILWAYS
Information
Patent Grant
Semiconductor device and power conversion device
Patent number
10,229,974
Issue date
Mar 12, 2019
Hitachi, Ltd.
Mieko Matsumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device and method for manufacturing same
Patent number
10,062,759
Issue date
Aug 28, 2018
Hitachi, Ltd.
Digh Hisamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device and method for manufacturing same
Patent number
10,032,871
Issue date
Jul 24, 2018
Hitachi, Ltd.
Digh Hisamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device, method for manufacturing same, power conversi...
Patent number
9,960,259
Issue date
May 1, 2018
Hitachi, Ltd.
Naoki Tega
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device and method for producing same
Patent number
9,825,166
Issue date
Nov 21, 2017
Hitachi, Ltd.
Naoki Tega
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device and manufacturing method of th...
Patent number
9,490,328
Issue date
Nov 8, 2016
Hitachi, Ltd.
Naoki Tega
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and manufacturing method of semiconductor device
Patent number
9,312,385
Issue date
Apr 12, 2016
Hitachi, Ltd.
Daisuke Matsumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device and manufacturing method thereof
Patent number
9,263,571
Issue date
Feb 16, 2016
Hitachi, Ltd.
Ryuta Tsuchiya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device and manufacturing method thereof
Patent number
9,117,836
Issue date
Aug 25, 2015
Hitachi, Ltd.
Naoki Tega
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for producing the same
Patent number
9,054,174
Issue date
Jun 9, 2015
Hitachi, Ltd.
Digh Hisamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
4h-SiC semiconductor element and semiconductor device
Patent number
9,029,979
Issue date
May 12, 2015
Hitachi, Ltd.
Hiroyuki Yoshimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device and method for producing the same
Patent number
8,872,193
Issue date
Oct 28, 2014
Hitachi, Ltd.
Naoki Tega
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
7,709,315
Issue date
May 4, 2010
Renesas Technology Corp.
Naoki Tega
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20220115512
Publication date
Apr 14, 2022
Hitachi, Ltd
Naoki Tega
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE, POWER CONVERSION DEVICE, THRE...
Publication number
20220059690
Publication date
Feb 24, 2022
Hitachi, Ltd
Takeru Suto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20210143255
Publication date
May 13, 2021
Hitachi, Ltd
Takeru SUTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE
Publication number
20210005746
Publication date
Jan 7, 2021
Hitachi, Ltd
Takeru Suto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREFO...
Publication number
20190229211
Publication date
Jul 25, 2019
Hitachi, Ltd
Yuan BU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME, POWER CONVE...
Publication number
20180331174
Publication date
Nov 15, 2018
Hitachi, Ltd
Naoki TEGA
B60 - VEHICLES IN GENERAL
Information
Patent Application
SEMICONDUCTOR DEVICE AND POWER CONVERSION DEVICE
Publication number
20180090574
Publication date
Mar 29, 2018
Hitachi, Ltd
Mieko MATSUMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING SAME, POWER CONVERSI...
Publication number
20170330961
Publication date
Nov 16, 2017
Hitachi, Ltd
Naoki TEGA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF TH...
Publication number
20160141371
Publication date
May 19, 2016
Hitachi, Ltd
Naoki TEGA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
Publication number
20160111499
Publication date
Apr 21, 2016
Hitachi, Ltd
Digh HISAMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SAME
Publication number
20150349115
Publication date
Dec 3, 2015
Hitachi, Ltd
Naoki TEGA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20150318389
Publication date
Nov 5, 2015
Hitachi, Ltd
Ryuta TSUCHIYA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE
Publication number
20140239392
Publication date
Aug 28, 2014
Hitachi, Ltd.
Daisuke Matsumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME
Publication number
20130328062
Publication date
Dec 12, 2013
Hitachi, Ltd.
Digh Hisamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME
Publication number
20130299849
Publication date
Nov 14, 2013
Naoki Tega
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
4h-SiC SEMICONDUCTOR ELEMENT AND SEMICONDUCTOR DEVICE
Publication number
20130146897
Publication date
Jun 13, 2013
Hitachi, Ltd
Hiroyuki YOSHIMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20120217513
Publication date
Aug 30, 2012
Hitachi, Ltd.
Naoki TEGA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
Publication number
20080048249
Publication date
Feb 28, 2008
RENESAS TECHNOLOGY CORP.
NAOKI TEGA
B82 - NANO-TECHNOLOGY