Ronald H. Birkhahn

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Group III-V semiconductor device with strain-relieving layers
- Patent number 9,741,841
- Issue date Aug 22, 2017
- Infineon Technologies Americas Corp.
- Scott Nelson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Group III-V device with strain-relieving layers
- Patent number 9,318,560
- Issue date Apr 19, 2016
- Infineon Technologies Americas Corp.
- Scott Nelson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Group III-V semiconductor device with strain-relieving interlayers
- Patent number 8,575,660
- Issue date Nov 5, 2013
- International Rectifier Corporation
- Scott Nelson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth enhanced high electron mobility transistor and method fo...
- Patent number 8,269,253
- Issue date Sep 18, 2012
- International Rectifier Corporation
- Ronald H. Birkhahn
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Group III-V Semiconductor Device with Strain-Relieving Layers
- Publication number 20160233327
- Publication date Aug 11, 2016
- Infineon Technologies Americas Corp.
- Scott Nelson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Group III-V Device with Strain-Relieving Layers
- Publication number 20140054607
- Publication date Feb 27, 2014
- INTERNATIONAL RECTIFIER CORPORATION
- Scott Nelson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stress modulated group III-V semiconductor device and related method
- Publication number 20120153351
- Publication date Jun 21, 2012
- INTERNATIONAL RECTIFIER CORPORATION
- Anilkumar Chandolu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Group III-V semiconductor device with strain-relieving interlayers
- Publication number 20110084311
- Publication date Apr 14, 2011
- INTERNATIONAL RECTIFIER CORPORATION
- Scott Nelson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Rare earth enhanced high electron mobility transistor and method fo...
- Publication number 20100308375
- Publication date Dec 9, 2010
- INTERNATIONAL RECTIFIER CORPORATION
- Ronald H. Birkhahn
- H01 - BASIC ELECTRIC ELEMENTS