Inventor

BIRKHAHN RONALD H

US7 patents

⚠️ This page may combine multiple inventors who share the name “BIRKHAHN RONALD H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV CINCINNATI

2 patents

US6255669B1Jul 3, 2001

Visible light emitting device formed from wide band gap semiconductor doped with a rare earth element

UNIV CINCINNATI47 citations93

US6406930B2Jun 18, 2002

Fabrication of visible light emitting device formed from wide band gap semiconductor doped with a rare earth element

UNIV CINCINNATI11 citations70

(unassigned)

2 patents

US5420335AMay 30, 1995

Parenteral nutrients based on watersoluble glycerol bisacetoacetates

29 citations91

US5519161AMay 21, 1996

Nutritive glycerol esters of β-acyloxy butyrates

10 citations72

EASTMAN CHEM CO

1 patent

US5693850ADec 2, 1997

Nutritive water soluble glycerol esters of hydroxy butyric acid

EASTMAN CHEM CO71 citations94

BIRKHAHN RONALD H

1 patent

US8269253B2Sep 18, 2012

Rare earth enhanced high electron mobility transistor and method for fabricating same

BIRKHAHN RONALD H3 citations55

INFINEON TECHNOLOGIES AMERICAS CORP

1 patent

US9741841B2Aug 22, 2017

Group III-V semiconductor device with strain-relieving layers

INFINEON TECHNOLOGIES AMERICAS CORP0 citations50