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Tobias Wikstroem
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Egliswil, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Segmented power diode structure with improved reverse recovery
Patent number
11,967,638
Issue date
Apr 23, 2024
HITACHI ENERGY LTD
Tobias Wikstroem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated gate-commutated thyristor (IGCT)
Patent number
11,824,091
Issue date
Nov 21, 2023
Hitachi Energy Switzerland AG
Tobias Wikstroem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor switching device
Patent number
10,892,245
Issue date
Jan 12, 2021
ABB Power Grids Switzerland AG
Tobias Wikstroem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor switching device with gate connection
Patent number
8,519,433
Issue date
Aug 27, 2013
ABB Research Ltd.
Didier Cottet
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Turn-Off Power Semiconductor Device with Gate Runners
Publication number
20230136897
Publication date
May 4, 2023
Hitachi Energy Switzerland AG
Tobias Wikstroem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Power Semiconductor Device Comprising a Thyristor and a Bipolar Jun...
Publication number
20230118951
Publication date
Apr 20, 2023
Hitachi Energy Switzerland AG
Tobias Wikstroem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Integrated Gate-Commutated Thyristor (IGCT)
Publication number
20230111333
Publication date
Apr 13, 2023
Hitachi Energy Switzerland AG
Tobias Wikstroem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Reverse Conducting Power Semiconductor Device and Method for Manufa...
Publication number
20230046742
Publication date
Feb 16, 2023
Hitachi Energy Switzerland AG
Tobias Wikstroem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Segmented Power Diode Structure with Improved Reverse Recovery
Publication number
20220181473
Publication date
Jun 9, 2022
Tobias Wikstroem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Power Semiconductor Device with Free-Floating Packaging Concept
Publication number
20210384091
Publication date
Dec 9, 2021
ABB Power Grids Switzerland AG
Jagoda Dobrzynska
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR SWITCHING DEVICE
Publication number
20190363065
Publication date
Nov 28, 2019
ABB Schweiz AG
Tobias Wikstroem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DIODE
Publication number
20100301384
Publication date
Dec 2, 2010
ABB TECHNOLOGY AG
Iulian NISTOR
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor Switching Device with Gate Connection
Publication number
20100270584
Publication date
Oct 28, 2010
ABB Research Ltd
Didier Cottet
H01 - BASIC ELECTRIC ELEMENTS