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Kumiko Konishi
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Kokubunji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Silicon carbide stacked substrate and manufacturing method thereof
Patent number
11,031,238
Issue date
Jun 8, 2021
Hitachi Metals, Ltd.
Kumiko Konishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power module and power converter
Patent number
10,692,860
Issue date
Jun 23, 2020
Hitachi, Ltd.
Ryuusei Fujita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon carbide semiconductor device, power module, and power conve...
Patent number
10,367,090
Issue date
Jul 30, 2019
Hitachi, Ltd.
Kumiko Konishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Trench type Schottky junction semiconductor device and manufacturin...
Patent number
9,159,562
Issue date
Oct 13, 2015
Hitachi, Ltd.
Kumiko Konishi
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
Patents Applications
last 30 patents
Information
Patent Application
SILICON CARBIDE SUBSTRATE AND METHOD OF MANUFACTURING THE SAME
Publication number
20230084128
Publication date
Mar 16, 2023
Hitachi Metals, Ltd.
Kumiko KONISHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
Publication number
20220376109
Publication date
Nov 24, 2022
Hitachi, Ltd
Keisuke Kobayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE STACKED SUBSTRATE AND MANUFACTURING METHOD THEREOF
Publication number
20200006066
Publication date
Jan 2, 2020
Hitachi Metals, Ltd.
Kumiko KONISHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER MODULE AND POWER CONVERTER
Publication number
20190198495
Publication date
Jun 27, 2019
Hitachi, Ltd
Ryuusei FUJITA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SILICON CARBIDE SEMICONDUCTOR DEVICE, POWER MODULE, AND POWER CONVE...
Publication number
20190115465
Publication date
Apr 18, 2019
Hitachi, Ltd
Kumiko KONISHI
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
TRENCH TYPE SCHOTTKY JUNCTION SEMICONDUCTOR DEVICE AND MANUFACTURIN...
Publication number
20130105820
Publication date
May 2, 2013
Hitachi, Ltd
Kumiko KONISHI
H01 - BASIC ELECTRIC ELEMENTS