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

Ronald E. Chance — 6 Patents

Eli Lilly: 5 patents #674 of 2,858Top 25%
Westfield, IN: #73 of 283 inventorsTop 30%
Indiana: #6,140 of 33,936 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Ronald E. Chance has been granted 6 US patents while listed as an inventor at Eli Lilly. The first was granted in 1983 and the most recent in December 1997. Ronald E. Chance ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Ronald E. Chance in Westfield, IN, US.

Patents per Year

Patents granted per year, 1983 to 1997Bar chart with a peak of 3 patents in 1987.peak 31983: 1 patents19831987: 3 patents19871996: 1 patents19961997: 1 patents1997

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5700662 Process for preparing insulin analogs Richard D. DiMarchi, Bruce H. Frank, James E. Shields 1997-12-23 $123,845,000
5514646 Insulin analogs modified at position 29 of the B chain Richard D. DiMarchi, Bruce H. Frank, James E. Shields 1996-05-07
4654324 Human proinsulin pharmaceutical formulations Bruce H. Frank, John A. Galloway 1987-03-31 $67,318,000
4652547 Pharmaceutical formulations comprising human insulin and human proinsulin Bruce H. Frank, John A. Galloway 1987-03-24 $35,371,000
4652548 Pharmaceutical formulations comprising human insulin, human C-peptide, and human proinsulin Bruce H. Frank, John A. Galloway 1987-03-24 $35,371,000
4421685 Process for producing an insulin James A. Hoffmann 1983-12-20 $6,905,000