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Tsuyoshi KOUCHI
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for forming a high electron mobility transistor
Patent number
10,038,086
Issue date
Jul 31, 2018
Sumitomo Electric Industries, Ltd.
Ken Nakata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
9,355,843
Issue date
May 31, 2016
Sumitomo Electric Industries, Ltd
Keiichi Yui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor device with limited instantaneous current red...
Patent number
9,159,821
Issue date
Oct 13, 2015
Sumitomo Electric Industries, Ltd.
Ken Nakata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
9,123,534
Issue date
Sep 1, 2015
Sumitomo Electric Industries, Ltd
Keiichi Yui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device including an aluminum nitride layer having a c...
Patent number
9,029,873
Issue date
May 12, 2015
Sumitomo Electric Industries, Ltd.
Ken Nakata
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
Publication number
20180053648
Publication date
Feb 22, 2018
Sumitomo Electric Industries, Ltd.
Ken NAKATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH ELECTRON MOBILITY TRANSISTOR AND METHOD OF FORMING THE SAME
Publication number
20170271496
Publication date
Sep 21, 2017
Sumitomo Electric Industries, Ltd.
Ken NAKATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR FORMING NITRIDE SEMICONDUCTOR DEVICE
Publication number
20160111274
Publication date
Apr 21, 2016
Sumitomo Electric Industries, Ltd.
Keiichi YUI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
Publication number
20150332915
Publication date
Nov 19, 2015
Sumitomo Electric Industries, Ltd.
Keiichi YUI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PROCESS TO PRODUCE NITRIDE SEMICONDUCTOR DEVICE
Publication number
20150279942
Publication date
Oct 1, 2015
Sumitomo Electric Industries, Ltd.
Keiichi YUI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF GROWING NITRIDE SEMICONDUCTOR DEVICE
Publication number
20150279658
Publication date
Oct 1, 2015
Sumitomo Electric Industries, Ltd.
Keiichi YUI
C30 - CRYSTAL GROWTH
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
Publication number
20140361308
Publication date
Dec 11, 2014
Keiichi Yui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
Publication number
20140346530
Publication date
Nov 27, 2014
SUMITOMO ELECTRIC INDUSTIRES, LTD.
Ken NAKATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THEREOF
Publication number
20140252377
Publication date
Sep 11, 2014
Sumitomo Electric Industries, Ltd.
Ken NAKATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR DEVICE WITH LIMITED INSTANTANEOUS CURRENT RED...
Publication number
20140183563
Publication date
Jul 3, 2014
Sumitomo Electric Industries, Ltd.
Ken NAKATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR FORMING NITRIDE SEMICONDUCTOR DEVICE
Publication number
20120315742
Publication date
Dec 13, 2012
Sumitomo Electric Industries, Ltd.
Keiichi YUI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR FABRICATING SEMICONDUCTOR DEVICE
Publication number
20100248459
Publication date
Sep 30, 2010
SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
Isao Makabe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...