Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DQ

David L. Questad

IBM: 67 patents #1,125 of 70,183Top 2%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
Hopewell Junction, NY: #17 of 648 inventorsTop 3%
New York: #1,127 of 115,490 inventorsTop 1%
Overall (All Time): #31,180 of 4,157,543Top 1%
68 Patents All Time

Issued Patents All Time

Showing 26–50 of 68 patents

Patent #TitleCo-InventorsDate
8450849 Robust FBEOL and UBM structure of C4 interconnects Minhua Lu, Eric D. Pefecto, Sudipta K. Ray 2013-05-28
8338286 Dimensionally decoupled ball limiting metalurgy Eric David Perfecto, Harry D. Cox, Timothy H. Daubenspeck, Brian R. Sundlof 2012-12-25
8298929 Offset solder vias, methods of manufacturing and design structures Timothy H. Daubenspeck, Gary LaFontant, Ekta Misra, George J. Scott, Krystyna W. Semkow +3 more 2012-10-30
8258410 Construction of reliable stacked via in electronic substrates—vertical stiffness control method Karan Kacker, Douglas O. Powell, David J. Russell, Sri M. Sri-Jayantha 2012-09-04
8242593 Clustered stacked vias for reliable electronic substrates Karan Kacker, Douglas O. Powell, David J. Russell, Sri M. Sri-Jayantha 2012-08-14
8227918 Robust FBEOL and UBM structure of C4 interconnects Minhua Lu, Eric D. Pefecto, Sudipta K. Ray 2012-07-24
8198133 Structures and methods to improve lead-free C4 interconnect reliability Timothy H. Daubenspeck, Paul F. Fortier, Jeffrey P. Gambino, Christopher D. Muzzy, Wolfgang Sauter +1 more 2012-06-12
8188597 Fixture to constrain laminate and method of assembly Thomas E. Lombardi, Donald A. Merte, Gregg B. Monjeau, Son K. Tran 2012-05-29
8054630 Electronic components on trenched substrates and method of forming same Vijayeshwar D. Khanna, Jennifer V. Muney, Arun Sharma, Sri M. Sri-Jayantha, Lorenzo Valdevit 2011-11-08
8037594 Method of forming a flip-chip package Jeffrey T. Coffin, Michael A. Gaynes, Kamal K. Sikka, Hilton T. Toy, Jamil A. Wakil 2011-10-18
7875502 Semiconductor chips with crack stop regions for reducing crack propagation from chip edges/corners Peter J. Brofman, Jon A. Casey, Ian D. Melville, Wolfgang Sauter, Thomas A. Wassick 2011-01-25
7868459 Semiconductor package having non-aligned active vias Jean Audet, Luc Guerin, David J. Russell 2011-01-11
7859122 Final via structures for bond pad-solder ball interconnections Timothy H. Daubenspeck, Jeffrey P. Gambino, Christopher D. Muzzy, Wolfgang Sauter 2010-12-28
7855430 Electronic components on trenched substrates and method of forming same Vijayeshwar D. Khanna, Jennifer V. Muncy, Arun Sharma, Sri M. Sri-Jayantha, Lorenzo Valdevit 2010-12-21
7851911 Semiconductor chip used in flip chip process Charles F. Carey, Bernt Julius Hansen, Ashwani K. Malhotra, Wolfgang Sauter 2010-12-14
7819027 Method and structure for a pull test for controlled collapse chip connections and ball limiting metallurgy Virendra R. Jadhav, Vijayeshwar D. Khanna, David C. Long 2010-10-26
7812438 Via offsetting to reduce stress under the first level interconnect (FLI) in microelectronics packaging Virendra R. Jadhav, Kamal K. Sikka, Xiaojin Wei, Jiantao Zheng 2010-10-12
7795724 Sandwiched organic LGA structure William L. Brodsky, James A. Busby, Bruce J. Chamberlin, Mitchell G. Ferrill, Robin A. Susko 2010-09-14
7777301 Electronic components on trenched substrates and method of forming same Vijayeshwar D. Khanna, Jennifer V. Muncy, Arun Sharma, Sri M. Sri-Jayantha, Lorenzo Valdevit 2010-08-17
7732894 Electronic components on trenched substrates and method of forming same Vijayeshwar D. Khanna, Jennifer V. Muney, Arun Sharma, Sri M. Sri-Jayantha, Lorenzo Valdevit 2010-06-08
7732932 Semiconductor chips with crack stop regions for reducing crack propagation from chip edges/corners Peter J. Brofman, Jon A. Casey, Ian D. Melville, Wolfgang Sauter, Thomas A. Wassick 2010-06-08
7678673 Strengthening of a structure by infiltration Elbert E. Huang, William Francis Landers, Michael Lane, Eric G. Liniger, Xiao Hu Liu +1 more 2010-03-16
7674637 Monitoring cool-down stress in a flip chip process using monitor solder bump structures Charles F. Carey, Bernt Julius Hansen, Ashwani K. Malhotra, Wolfgang Sauter 2010-03-09
7545050 Design structure for final via designs for chip stress reduction Timothy H. Daubenspeck, Wolfgang Sauter, Jeffrey P. Gambino 2009-06-09
7489512 Optimized thermally conductive plate and attachment method for enhanced thermal performance and reliability of flip chip organic packages Jeffrey T. Coffin, Michael A. Gaynes, Kamal K. Sikka, Hilton T. Toy, Jamil A. Wakil 2009-02-10