WM

Wai Mon Ma

IBM: 19 patents #5,782 of 70,183Top 9%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
Overall (All Time): #223,872 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9459285 Test probe coated with conductive elastomer for testing of backdrilled plated through holes in printed circuit board assembly 2016-10-04
8939791 Primary circuit board non-conductive void having different planar dimensions through board thickness to secure non-conducting locking member of holder James Edward Tersigni, Jefferson L. Watson 2015-01-27
8902605 Adapter for plated through hole mounting of surface mount component Daniel J. Buschel, James Edward Tersigni, Raymond D. Birchall 2014-12-02
8638564 Dye-based circuit mount testing Daniel J. Buschel, Donald A. Merte 2014-01-28
7841078 Method of optimizing land grid array geometry Roger Lam, Arch Nuttall 2010-11-30
7199309 Structure for repairing or modifying surface connections on circuit boards Bruce J. Chamberlin, Mark K. Hoffmeyer, Arch Nuttall, James R. Stack 2007-04-03
6974071 Inclined solder wave methodology for wave soldering double sided pin-in-hole electronic components Todd H. Buley, Brian D. Chapman, Roger Lam, John P. Weir 2005-12-13
6912780 Method and structure for repairing or modifying surface connections on circuit boards Bruce J. Chamberlin, Mark K. Hoffmeyer, Arch Nuttall, James R. Stack 2005-07-05
6784377 Method and structure for repairing or modifying surface connections on circuit boards Bruce J. Chamberlin, Mark K. Hoffmeyer, Arch Nuttall, James R. Stack 2004-08-31
6511347 Terminating floating signals on a BGA module to a ground plane on a ball grid array (BGA) circuit board site Brian D. Chapman 2003-01-28
6437252 Method and structure for reducing power noise Simone Rehm, Roland Frech, Erich Klink, Helmut Virag, Thomas-Michael Winkel +2 more 2002-08-20
6182884 Method and apparatus for reworking ceramic ball grid array or ceramic column grid array on circuit cards James J. Petrone 2001-02-06
6059172 Method for establishing electrical communication between a first object having a solder ball and a second object Brian D. Chapman, James J. Petrone 2000-05-09
6050481 Method of making a high melting point solder ball coated with a low melting point solder Brian D. Chapman, James J. Petrone 2000-04-18
6016947 Non-destructive low melt test for off-composition solder Timothy W. Donahue, Ellyn M. Ingalls, Chon Cheong Lei, Horatio Quinones, Charles L. Reynolds +1 more 2000-01-25
5909011 Method and apparatus for modifying circuit having ball grid array interconnections Richard L. Chartrand, Roger A. Stinemire 1999-06-01
5890284 Method for modifying circuit having ball grid array interconnections Richard L. Chartrand, Roger A. Stinemire 1999-04-06
5872400 High melting point solder ball coated with a low melting point solder Brian D. Chapman, James J. Petrone 1999-02-16
4953929 Fiber optic connector assembly and adapter for use therewith Joseph F. Basista, John J. Squires 1990-09-04
4907975 Electrical connector utilizing flexible electrical circuitry David W. Dranchak, David E. Engle, David Hessian, Alan D. Knight, Thomas G. Macek +1 more 1990-03-13