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

Royce Groff — 5 Patents

PRPromerus: 5 patents #28 of 140Top 20%
SCSumitomo Bakelite Co.: 2 patents #227 of 790Top 30%
Solon, OH: #152 of 517 inventorsTop 30%
Ohio: #15,931 of 73,341 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Royce Groff has been granted 5 US patents while listed as an inventor at Promerus. The first was granted in 2016 and the most recent in May 2019. Royce Groff ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Royce Groff in Solon, OH, US.

Patents per Year

Patents granted per year, 2016 to 2019Bar chart with a peak of 2 patents in 2018.peak 22016: 1 patents20162017: 1 patents20172018: 2 patents20182019: 1 patents2019

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10303057 Fluorine free photopatternable phenol functional group containing polymer compositions Edmund Elce 2019-05-28
10054854 Fluorine free photopatternable phenol functional group containing polymer compositions Edmund Elce 2018-08-21
9932432 Polymers of maleimide and cycloolefinic monomers as permanent dielectric materials Edmund Elce 2018-04-03
9562124 Thermo-oxidatively stable, side chain polyether functionalized polynorbornenes for microelectronic and optoelectronic devices and assemblies thereof Christopher Apanius, Andrew Bell, Cheryl Burns, Crystal Cyrus, Edmund Elce +5 more 2017-02-07
9425404 Thermo-oxidatively stable, side chain polyether functionalized polynorbornenes for microelectronic and optoelectronic devices and assemblies thereof Christopher Apanius, Andrew Bell, Cheryl Burns, Crystal Cyrus, Edmund Elce +5 more 2016-08-23