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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
EP

Eric D. Perfecto — 59 Patents

IBM: 47 patents #1,876 of 70,183Top 3%
Globalfoundries: 12 patents #298 of 4,424Top 7%
Poughkeepsie, NY: #57 of 1,613 inventorsTop 4%
New York: #1,425 of 115,490 inventorsTop 2%
Overall (All Time): #40,067 of 4,157,543Top 1%
59 Patents All Time
Eric D. Perfecto has been granted 59 US patents while listed as an inventor at IBM. The first was granted in 1994 and the most recent in November 2025. Eric D. Perfecto ranks #40,067 of 4,157,543 US inventors in our database (top 0.96%). Patent records list Eric D. Perfecto in Poughkeepsie, NY, US.

Patents per Year

Patents granted per year, 1994 to 2025Bar chart with a peak of 6 patents in 2000.peak 61994: 2 patents19941995: 2 patents1996: 4 patents1998: 3 patents19981999: 2 patents2000: 6 patents2001: 3 patents20012002: 5 patents2003: 1 patents2004: 1 patents20042006: 1 patents2007: 1 patents2012: 1 patents20122013: 5 patents2014: 3 patents2015: 5 patents20152016: 4 patents2017: 5 patents2018: 2 patents20182019: 1 patents2025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 59 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12469787 Resist patterned redistribution wiring on copper polyimide via layer Mukta G. Farooq, James H. Kelly, Spyridon Skordas, Dale Curtis McHerron 2025-11-11
12300615 Infrared debond damage mitigation by copper fill pattern Mukta G. Farooq, Qianwen Chen, Shahid Butt, Michael P. Belyansky, Katsuyuki Sakuma +1 more 2025-05-13
10438894 Chip-to-chip and chip-to-substrate interconnections in multi-chip semiconductor devices Mukta G. Farooq, Koushik Ramachandran, Ian D. Melville 2019-10-08 $23,319,000
10041183 Electrodeposition systems and methods that minimize anode and/or plating solution degradation Charles L. Arvin, Harry D. Cox 2018-08-07 $10,289,000
10002835 Structure for establishing interconnects in packages using thin interposers Benjamin V. Fasano, Michael S. Cranmer, Richard F. Indyk, Harry D. Cox, Katsuyuki Sakuma 2018-06-19 $20,071,000
9853006 Semiconductor device contact structure having stacked nickel, copper, and tin layers Charles L. Arvin, Harry D. Cox, Thomas A. Wassick 2017-12-26 $7,266,000
9728440 Non-transparent microelectronic grade glass as a substrate, temporary carrier or wafer Charles L. Arvin, Harry D. Cox, Brian M. Erwin, Jorge A. Lubguban, Jennifer D. Schuler 2017-08-08 $10,842,000
9689084 Electrodeposition systems and methods that minimize anode and/or plating solution degradation Charles L. Arvin, Harry D. Cox 2017-06-27
9607973 Method for establishing interconnects in packages using thin interposers Benjamin V. Fasano, Michael S. Cranmer, Richard F. Indyk, Harry D. Cox, Katsuyuki Sakuma 2017-03-28 $13,638,000
9576922 Silver alloying post-chip join Thomas J. Brunschwiler, Jonas Zuercher 2017-02-21 $8,671,000
9396991 Multilayered contact structure having nickel, copper, and nickel-iron layers Charles L. Arvin, Harry D. Cox, Thomas A. Wassick 2016-07-19 $2,452,000
9379007 Electromigration-resistant lead-free solder interconnect structures Charles L. Arvin, KENNETH BIRD, Charles C. Goldsmith, Sung K. Kang, Minhua Lu +4 more 2016-06-28 $2,208,000
9343420 Universal solder joints for 3D packaging Brian M. Erwin, Nicholas A. Polomoff, Jae-Woong Nah 2016-05-17 $1,734,000
9324669 Use of electrolytic plating to control solder wetting Charles L. Arvin, Brian M. Erwin, Wolfgang Sauter 2016-04-26 $2,956,000
9190376 Organic coating to inhibit solder wetting on pillar sidewalls Charles L. Arvin, Brian M. Erwin, Wolfgang Sauter, Thomas A. Wassick 2015-11-17 $3,493,000
9177928 Contact and solder ball interconnect Charles L. Arvin, Wolfgang Sauter 2015-11-03 $718,000
9142501 Under ball metallurgy (UBM) for improved electromigration Charles L. Arvin, Minhua Lu, David J. Russell, Wolfgang Sauter, Krystyna W. Semkow +1 more 2015-09-22 $4,871,000
9084378 Under ball metallurgy (UBM) for improved electromigration Charles L. Arvin, Minhua Lu, Krystyna W. Semkow, Thomas A. Wassick 2015-07-14 $7,900,000
8937009 Far back end of the line metallization method and structures Timothy H. Daubenspeck, Jeffrey P. Gambino, Karen P. McLaughlin, Ekta Misra, Christopher D. Muzzy +1 more 2015-01-20 $6,263,000
8910853 Additives for grain fragmentation in Pb-free Sn-based solder Charles L. Arvin, Alexandre Blander, Peter J. Brofman, Donald W. Henderson, Gareth G. Hougham +7 more 2014-12-16 $3,695,000
8820612 Injection molded solder process for forming solder bumps on substrates Claudius Feger, Mark H. McLeod, Jae-Woong Nah 2014-09-02 $3,373,000
8742578 Solder volume compensation with C4 process Charles L. Arvin, Wolfgang Sauter, Jennifer D. Schuler 2014-06-03 $4,638,000
8518741 Wafer-to-wafer process for manufacturing a stacked structure Minhua Lu 2013-08-27 $5,858,000
8496159 Injection molded solder process for forming solder bumps on substrates Claudius Feger, Mark H. McLeod, Jae-Woong Nah 2013-07-30 $15,502,000
8493746 Additives for grain fragmentation in Pb-free Sn-based solder Charles L. Arvin, Alexandre Blander, Peter J. Brofman, Donald W. Henderson, Gareth G. Hougham +7 more 2013-07-23 $2,085,000