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

William C. Allison — 36 Patents

NENexplanar: 20 patents #2 of 16Top 15%
POPpg Industries Ohio: 5 patents #264 of 1,316Top 25%
CMCabot Microelectronics: 5 patents #52 of 207Top 30%
PIPpg Industries: 2 patents #457 of 1,216Top 40%
HP: 1 patents #11,359 of 7,018Top 165%
CMCmc Materials: 1 patents #33 of 67Top 50%
GE: 1 patents #19,940 of 36,430Top 55%
Basf Se: 1 patents #8,065 of 13,826Top 60%
Sharonville, OH: #24 of 1,065 inventorsTop 3%
Ohio: #1,309 of 73,341 inventorsTop 2%
Overall (All Time): #92,222 of 4,157,543Top 3%
36 Patents All Time
William C. Allison has been granted 36 US patents while listed as an inventor at Nexplanar. The first was granted in 1991 and the most recent in March 2021. William C. Allison ranks #92,222 of 4,157,543 US inventors in our database (top 2.2%). Patent records list William C. Allison in Sharonville, OH, US.

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10946495 Low density polishing pad Ping Huang, Richard L. Frentzel, Paul Andre Lefevre, Robert Kerprich, Diane Scott 2021-03-16 $57,299,000
10293459 Polishing pad having polishing surface with continuous protrusions Paul Andre Lefevre, Alexander William Simpson, Diane Scott, Ping Huang, Leslie M. Charns +2 more 2019-05-21 $7,272,000
10160092 Polishing pad having polishing surface with continuous protrusions having tapered sidewalls Paul Andre Lefevre, Alexander William Simpson, Diane Scott, Ping Huang, Leslie M. Charns +2 more 2018-12-25
9931728 Polishing pad with foundation layer and polishing surface layer Diane Scott, Paul Andre Lefevre, James P. LaCasse, Alexander William Simpson 2018-04-03 $7,951,000
9931729 Polishing pad with grooved foundation layer and polishing surface layer Paul Andre Lefevre, Diane Scott, James P. LaCasse 2018-04-03 $7,951,000
9868185 Polishing pad with foundation layer and window attached thereto Paul Andre Lefevre, Diane Scott, Jose I. Arno 2018-01-16 $17,842,000
9649742 Polishing pad having polishing surface with continuous protrusions Paul Andre Lefevre, Alexander William Simpson, Diane Scott, Ping Huang, Leslie M. Charns +2 more 2017-05-16
9597770 Method of fabricating a polishing Diane Scott, Rajeev Bajaj 2017-03-21
9597769 Polishing pad with polishing surface layer having an aperture or opening above a transparent foundation layer Paul Andre Lefevre, James P. LaCasse, Diane Scott, Alexander William Simpson, Ping Huang +1 more 2017-03-21
9597777 Homogeneous polishing pad for eddy current end-point detection Diane Scott, Ping Huang, Richard L. Frentzel, Alexander William Simpson 2017-03-21
9555518 Polishing pad with multi-modal distribution of pore diameters Ping Huang, Diane Scott, James P. LaCasse 2017-01-31
9333577 Electro discharge machining apparatus and method Peng Li, Bin Wei, Huiya Xu, Mark Joseph Gleason, Jeffrey F. Wessels +1 more 2016-05-10 $20,337,000
9296085 Polishing pad with homogeneous body having discrete protrusions thereon Rajeev Bajaj, Ping Huang, Robert Kerprich, Richard L. Frentzel, Diane Scott 2016-03-29
9249273 Polishing pad with alignment feature Robert Kerprich, Diane Scott 2016-02-02
9238294 Polishing pad having porogens with liquid filler Paul Andre Lefevre 2016-01-19
9211628 Polishing pad with concentric or approximately concentric polygon groove pattern Diane Scott, Alexander William Simpson 2015-12-15
9156124 Soft polishing pad for polishing a semiconductor substrate Diane Scott, Robert Kerprich, Ping Huang, Richard L. Frentzel 2015-10-13
9067297 Polishing pad with foundation layer and polishing surface layer Diane Scott, Paul Andre Lefevre, James P. LaCasse, Alexander William Simpson 2015-06-30
9067298 Polishing pad with grooved foundation layer and polishing surface layer Paul Andre Lefevre, Diane Scott, James P. LaCasse 2015-06-30
9028302 Polishing pad for eddy current end-point detection Diane Scott, Ping Huang, Richard L. Frentzel, Alexander William Simpson 2015-05-12
9017140 CMP pad with local area transparency Ping Huang, Diane Scott, Richard L. Frentzel, Robert Kerprich 2015-04-28
8968058 Polishing pad with alignment feature Robert Kerprich, Diane Scott 2015-03-03
8920219 Polishing pad with alignment aperture Diane Scott, Rajeev Bajaj 2014-12-30
8702479 Polishing pad with multi-modal distribution of pore diameters Ping Huang, Diane Scott, James P. LaCasse 2014-04-22
8657653 Homogeneous polishing pad for eddy current end-point detection Diane Scott, Ping Huang, Richard L. Frentzel, Alexander William Simpson 2014-02-25