JH

Joseph G. Hoffarth

IBM: 12 patents #9,222 of 70,183Top 15%
Overall (All Time): #428,602 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5972053 Capacitor formed within printed circuit board John M. Lauffer, Issa S. Mahmoud 1999-10-26
5745334 Capacitor formed within printed circuit board John M. Lauffer, Issa S. Mahmoud 1998-04-28
5191174 High density circuit board and method of making same Chi-Shih Chang, Voya R. Markovich, Keith A. Snyder, John P. Wiley 1993-03-02
5114518 Method of making multilayer circuit boards having conformal Insulating layers Donald J. Lazzarini, John A. Welsh, John P. Wiley 1992-05-19
5053104 Method of plasma etching a substrate with a gaseous organohalide compound Suryadevara V. Babu, Allan R. Knoll, Walter E. Mlynko, John F. Rembetski, Kenneth D. Mack 1991-10-01
4918574 Multilayer circuit board with reduced susceptability to shorts caused by trapped impurities Donald J. Lazzarini, John A. Welsh, John P. Wiley 1990-04-17
4868350 High performance circuit boards John P. Wiley 1989-09-19
4810326 Interlaminate adhesion between polymeric materials and electrolytic copper surfaces Suryadevara V. Babu, Vu Q. Bui, John A. Welsh 1989-03-07
4797178 Plasma etch enhancement with large mass inert gas Vu Q. Bui, Kevin K. Chan, Vicki J. Malueg 1989-01-10
4735820 Removal of residual catalyst from a dielectric substrate Peter A. Agostino, Suryadevara V. Babu 1988-04-05
4718972 Method of removing seed particles from circuit board substrate surface Suryadevara V. Babu, William F. Herrmann, Voya R. Markovich, Robert T. Wiley 1988-01-12
4599134 Plasma etching with tracer Suryadevara V. Babu, John A. Welsh 1986-07-08