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

Rolf Kretzschmar — 6 Patents

Basf Se: 6 patents #2,778 of 13,826Top 25%
Havelsee, DE: #19 of 67 inventorsTop 30%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Rolf Kretzschmar has been granted 6 US patents while listed as an inventor at Basf Se. The first was granted in 1982 and the most recent in October 1991. Rolf Kretzschmar ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Rolf Kretzschmar in Havelsee, DE.

Patents per Year

Patents granted per year, 1982 to 1991Bar chart with a peak of 2 patents in 1989.peak 21982: 1 patents19821984: 1 patents19841989: 2 patents19891991: 2 patents1991

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5057304 Active compounds for use in the treatment of tumors Erich Schlick, Michel Eichelbaum 1991-10-15
5039709 Anipamil for the treatment of chronic renal failure Hans D. Lehmann, Laurence C. Chan, Robert W. Schrier 1991-08-13
4820821 Novel pyridazinone-imines and their physiologically tolerated addition salts with acids, their preparation and therapeutic agents containing these compounds Rudolf Kropp, Marco Thyes, Rainer Schlecker, Albrecht Franke, Franz Reicheneder +5 more 1989-04-11
4798811 Combination preparation Hans D. Lehmann, Klaus Hahn 1989-01-17
4438131 .OMEGA.-Cyano-1, .OMEGA.-diphenyl-azaalkane derivatives, their preparation and drugs containing them Oskar Ehrmann, Manfred Raschack, Josef Gries, Hans D. Lehmann, Ludwig Friedrich +8 more 1984-03-20
4335138 Novel carbamates, their preparation, and pharmaceutical formulations containing these compounds Walter-Wielant Wiersdorff, Karl-Heinz Geiss, Harald Weifenbach, Wolfgang Worstmann, Dieter Lenke 1982-06-15