RB

Ronald H. Birkhahn

IR International Rectifier: 2 patents #177 of 432Top 45%
UC University Of Cincinnati: 2 patents #119 of 791Top 20%
Infineon Technologies Ag: 2 patents #63 of 184Top 35%
EC Eastman Chemical: 1 patents #797 of 1,245Top 65%
🗺 California: #66,801 of 386,348 inventorsTop 20%
Overall (All Time): #571,306 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9741841 Group III-V semiconductor device with strain-relieving layers Scott Nelson, Brett Hughes 2017-08-22
9318560 Group III-V device with strain-relieving layers Scott Nelson, Brett Hughes 2016-04-19
8575660 Group III-V semiconductor device with strain-relieving interlayers Scott Nelson, Brett Hughes 2013-11-05
8269253 Rare earth enhanced high electron mobility transistor and method for fabricating same 2012-09-18
6406930 Fabrication of visible light emitting device formed from wide band gap semiconductor doped with a rare earth element Liang-Chiun Chao, Michael Garter, James D. Scofield, Andrew J. Steckl 2002-06-18
6255669 Visible light emitting device formed from wide band gap semiconductor doped with a rare earth element Liang-Chiun Chao, Michael Garter, James D. Scofield, Andrew J. Steckl 2001-07-03
5693850 Nutritive water soluble glycerol esters of hydroxy butyric acid Robert J. Clemens, Charles A. McCombs 1997-12-02
5519161 Nutritive glycerol esters of .beta.-acyloxy butyrates Robert J. Clemens, Charles A. McCombs, John C. Hubbs 1996-05-21
5420335 Parenteral nutrients based on watersoluble glycerol bisacetoacetates Robert J. Clemens, John C. Hubbs 1995-05-30