{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "IBM", "item": "https://www.patentleaderboard.com/company/ibm"}, {"@type": "ListItem", "position": 3, "name": "Peter D. Roper", "item": "https://www.patentleaderboard.com/inventor/fl:pe_ln:roper-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PR

Peter D. Roper — 3 Patents

IBM: 3 patents #26,335 of 70,183Top 40%
Clinton Corners, NY: #19 of 45 inventorsTop 45%
New York: #38,631 of 115,490 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Peter D. Roper has been granted 3 US patents while listed as an inventor at IBM. The first was granted in 2000 and the most recent in October 2003. Peter D. Roper ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Peter D. Roper in Clinton Corners, NY, US.

Patents per Year

Patents granted per year, 2000 to 2003Bar chart with a peak of 1 patents in 2000.peak 12000: 1 patents20002001: 1 patents20012003: 1 patents2003

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6632377 Chemical-mechanical planarization of metallurgy Vlasta Brusic, Daniel C. Edelstein, Paul M. Feeney, William L. Guthrie, Mark A. Jaso +4 more 2003-10-14 $12,688,000
6251787 Elimination of photo-induced electrochemical dissolution in chemical mechanical polishing Daniel C. Edelstein, Wilma Jean Horkans, Stephen E. Luce, Naftall E. Lustig, Keith R. Pope 2001-06-26 $22,108,000
6153043 Elimination of photo-induced electrochemical dissolution in chemical mechanical polishing Daniel C. Edelstein, Wilma Jean Horkans, Stephen E. Luce, Naftali E. Lustig, Keith R. Pope 2000-11-28 $55,341,000