Inventor · disambiguated record
Ronald H. Birkhahn
Also filed as: BIRKHAHN RONALD · BIRKHAHN RONALD H
9 granted patents·1 pending application·185 citations·filing 1993–2016
89Inventor score
Files withUNIV CINCINNATI2BIRKHAHN RONALD H1CHANDOLU ANILKUMAR1EASTMAN CHEM CO1INFINEON TECHNOLOGIES AMERICAS CORP1
Top patents by PatentIndex Score
10 records- 0188US8575660B2Group III-V semiconductor device with strain-relieving interlayersNELSON SCOTT·Filed 2009·Granted Nov 5, 2013·14 cites·16 claims
- 0287US5420335AParenteral nutrients based on watersoluble glycerol bisacetoacetatesFiled 1993·Granted May 30, 1995·29 cites·7 claims
- 0383US5693850ANutritive water soluble glycerol esters of hydroxy butyric acidEASTMAN CHEM CO·Filed 1995·Granted Dec 2, 1997·71 cites·5 claims
- 0471US6255669B1Visible light emitting device formed from wide band gap semiconductor doped with a rare earth elementUNIV CINCINNATI·Filed 1999·Granted Jul 3, 2001·47 cites·14 claims
- 0566US5519161ANutritive glycerol esters of β-acyloxy butyratesFiled 1995·Granted May 21, 1996·10 cites·18 claims
- 0661US6406930B2Fabrication of visible light emitting device formed from wide band gap semiconductor doped with a rare earth elementUNIV CINCINNATI·Filed 2001·Granted Jun 18, 2002·11 cites·11 claims
- 0760US8269253B2Rare earth enhanced high electron mobility transistor and method for fabricating sameBIRKHAHN RONALD H·Filed 2009·Granted Sep 18, 2012·3 cites·18 claims
- 0855US9318560B2Group III-V device with strain-relieving layersINT RECTIFIER CORP·Filed 2013·Granted Apr 19, 2016·0 cites·12 claims
- 0953US9741841B2Group III-V semiconductor device with strain-relieving layersINFINEON TECHNOLOGIES AMERICAS CORP·Filed 2016·Granted Aug 22, 2017·0 cites·20 claims
- 1033US2012153351A1Stress modulated group III-V semiconductor device and related methodCHANDOLU ANILKUMAR·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →