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

Robert Kerprich — 12 Patents

NENexplanar: 8 patents #7 of 16Top 45%
CMCabot Microelectronics: 2 patents #86 of 207Top 45%
CMCmc Materials: 1 patents #33 of 67Top 50%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
Portland, OR: #1,498 of 9,213 inventorsTop 20%
Oregon: #3,634 of 28,073 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Robert Kerprich has been granted 12 US patents while listed as an inventor at Nexplanar. The first was granted in 2001 and the most recent in March 2021. Robert Kerprich ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Robert Kerprich in Portland, OR, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10946495 Low density polishing pad Ping Huang, William C. Allison, Richard L. Frentzel, Paul Andre Lefevre, Diane Scott 2021-03-16 $57,299,000
10293459 Polishing pad having polishing surface with continuous protrusions Paul Andre Lefevre, William C. Allison, Alexander William Simpson, Diane Scott, Ping Huang +2 more 2019-05-21 $7,272,000
10160092 Polishing pad having polishing surface with continuous protrusions having tapered sidewalls Paul Andre Lefevre, William C. Allison, Alexander William Simpson, Diane Scott, Ping Huang +2 more 2018-12-25
9649742 Polishing pad having polishing surface with continuous protrusions Paul Andre Lefevre, William C. Allison, Alexander William Simpson, Diane Scott, Ping Huang +2 more 2017-05-16
9375823 Grooved CMP pads Karey Holland, Diane Scott, Sudhanshu Misra 2016-06-28
9296085 Polishing pad with homogeneous body having discrete protrusions thereon Rajeev Bajaj, Ping Huang, William C. Allison, Richard L. Frentzel, Diane Scott 2016-03-29
9249273 Polishing pad with alignment feature William C. Allison, Diane Scott 2016-02-02
9180570 Grooved CMP pad Karey Holland, Diane Scott, Sudhanshu Misra 2015-11-10
9156124 Soft polishing pad for polishing a semiconductor substrate William C. Allison, Diane Scott, Ping Huang, Richard L. Frentzel 2015-10-13
9017140 CMP pad with local area transparency William C. Allison, Ping Huang, Diane Scott, Richard L. Frentzel 2015-04-28
8968058 Polishing pad with alignment feature William C. Allison, Diane Scott 2015-03-03
6272908 Flexural probe and method for examining a moving sensitive web surface Theodore R. Boccuzzi 2001-08-14 $8,325,000