JO

John F. Obrien

Xerox: 2 patents #3,932 of 8,622Top 50%
Caltech: 1 patents #2,143 of 4,321Top 50%
Overall (All Time): #1,618,494 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6459873 DC pin scorotron charging apparatus, and printing machine arranged with the same Jing Song, David Sekovski, Robert K. Fox, John D. McCaffrey, Jeffrey W. Drawe 2002-10-01
6040590 Semiconductor device with electrostatic control Axel Scherer, Amnon Yariv, Reginald Lee, Yuanjian Xu, Oskar Painter 2000-03-21
5926674 Reverse polarity split recharge in recharge-expose-and-develop image on imaging printing Charles H. Tabb, Mark S. Jackson, Dan A. Hays 1999-07-20