Hellmut Fritzsche — 6 Patents at Energy Conversion Devices

Hellmut Fritzsche has been granted 6 US patents while listed as an inventor at Energy Conversion Devices. The first was granted in 1986 and the most recent in April 2011. Hellmut Fritzsche ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Hellmut Fritzsche in Chicago, IL, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7923341	Higher selectivity, method for passivating short circuit current paths in semiconductor devices	Greg DeMaggio, Ginger Pietka	2011-04-12
5596522	Homogeneous compositions of microcrystalline semiconductor material, semiconductor devices and directly overwritable memory elements fabricated therefrom, and arrays fabricated from the memory elements	Stanford R. Ovshinsky, Stephen J. Hudgens, David Strand, Wolodymyr Czubatyj, Jesus Gonzalez-Hernandez +3 more	1997-01-21	$2,087,000
5591501	Optical recording medium having a plurality of discrete phase change data recording points	Stanford R. Ovshinsky	1997-01-07	$2,024,000
5335219	Homogeneous composition of microcrystalline semiconductor material, semiconductor devices and directly overwritable memory elements fabricated therefrom, and arrays fabricated from the memory elements	Stanford R. Ovshinsky, Stephen J. Hudgens, David Strand, Wolodymyr Czubatyj, Jesus Gonzalez-Hernandez +3 more	1994-08-02
4723994	Method of preparing a magnetic material	Stanford R. Ovshinsky, Julius J. Harwood, Alan M. Kadin, John Keem	1988-02-09
4620208	High performance, small area thin film transistor	Robert R. Johnson	1986-10-28	$306,000

Hellmut Fritzsche — 6 Patents

Issued Patents All Time

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