Stefan Koestner

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Donnerskirchen, AT

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid power supply circuit, use of a hybrid power supply circuit a...
- Patent number 11,552,353
- Issue date Jan 10, 2023
- TDK ELECTRONICS AG
- Stefan Koestner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit board having power supply, electrical device having circuit...
- Patent number 11,552,335
- Issue date Jan 10, 2023
- TDK ELECTRONICS AG
- Stefan Koestner
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Hybrid Power Supply Circuit, Use of a Hybrid Power Supply Circuit a...
- Publication number 20200136219
- Publication date Apr 30, 2020
- TDK Electronics AG
- Stefan Koestner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Circuit Board Having Power Supply, Electrical Device Having Circuit...
- Publication number 20200083570
- Publication date Mar 12, 2020
- TDK Electronics AG
- Stefan Koestner
- H01 - BASIC ELECTRIC ELEMENTS