WS

William Jeffrey Schaefer

NS National Semiconductor: 8 patents #229 of 2,238Top 15%
SH Shopsmith: 1 patents #13 of 27Top 50%
Overall (All Time): #584,794 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7287323 Materials and structure for a high reliability BGA connection between LTCC and PB boards Michael Ehlert 2007-10-30
RE38789 Semiconductor wafer having a bottom surface protective coating Pai-Hsiang Kao, Nikhil Vishwanath Kelkar 2005-09-06
6800815 Materials and structure for a high reliability bga connection between LTCC and PB boards Michael Ehlert 2004-10-05
6770513 Thermally enhanced flip chip packaging arrangement Seshadri Vikram 2004-08-03
6175162 Semiconductor wafer having a bottom surface protective coating Pai-Hsiang Kao, Nikhil Vishwanath Kelkar 2001-01-16
6084308 Chip-on-chip integrated circuit package and method for making the same Nikhil Vishwanath Kelkar, John Jackson 2000-07-04
6075290 Surface mount die: wafer level chip-scale package and process for making the same Pai-Hsiang Kao, Nikhil Vishwanath Kelkar 2000-06-13
6023094 Semiconductor wafer having a bottom surface protective coating Pai-Hsiang Kao, Nikhil Vishwanath Kelkar 2000-02-08
4972885 Power module for special purpose woodworking tools John G. Legler, David D. Flora, Steven A. Snyder 1990-11-27