Joseph James Roosma

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Santa Clara, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
IGBT assembly having saturable inductor for soft landing a diode re...
- Patent number 10,249,716
- Issue date Apr 2, 2019
- IXYS, LLC
- Kyoung Wook Seok
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
IGBT assembly having saturable inductor for soft landing a diode re...
- Patent number 9,793,352
- Issue date Oct 17, 2017
- IXYS Corporation
- Kyoung Wook Seok
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transformer drive for low conduction loss rectifier in flyback conv...
- Patent number 8,737,094
- Issue date May 27, 2014
- IXYS Corporation
- Kyoung Wook Seok
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Transformer Drive For Low Conduction Loss Rectifier In Flyback Conv...
- Publication number 20130128626
- Publication date May 23, 2013
- IXYS Corporation
- Kyoung Wook Seok
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER