Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Penelope M. Drake — 10 Patents

RTR.P. Scherer Technologies: 7 patents #9 of 176Top 6%
RBRedwood Bioscience: 3 patents #9 of 11Top 85%
Castro Valley, CA: #110 of 760 inventorsTop 15%
California: #61,378 of 386,348 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Penelope M. Drake has been granted 10 US patents while listed as an inventor at R.P. Scherer Technologies. The first was granted in 2018 and the most recent in May 2025. Penelope M. Drake ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Penelope M. Drake in Castro Valley, CA, US.

Patents per Year

Patents granted per year, 2018 to 2025Bar chart with a peak of 4 patents in 2024.peak 42018: 1 patents20182021: 1 patents20212022: 1 patents20222023: 1 patents20232024: 4 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12296021 Antibody conjugates and methods of making and using the same Yun Cheol Kim, Chao Bai Huang, David Rabuka 2025-05-13
12187745 Camptothecine antibody-drug conjugates and methods of use thereof Stepan Chuprakov, Ayodele O. Ogunkoya 2025-01-07
12102689 Anti-CD22 antibody-maytansine conjugates and methods of use thereof David Rabuka, Jesse M. McFarland, Robyn M. Barfield 2024-10-01
12076411 Anti-HER2 antibody-maytansine conjugates and methods of use thereof David Rabuka, Aaron Edward Albers, Robyn M. Barfield, Gregory W. deHart, Romas Alvydas Kudirka +2 more 2024-09-03
11970546 Antibody specific for Mucin-1 and methods of use thereof David Rabuka, Yun Cheol Kim, Robyn M. Barfield, Maxine Bauzon, Ayodele O. Ogunkoya 2024-04-30
11857637 Anti-CD25 antibody-maytansine conjugates and methods of use thereof David Rabuka 2024-01-02
11564989 Camptothecine antibody-drug conjugates and methods of use thereof Stepan Chuprakov, Ayodele O. Ogunkoya 2023-01-31
11466096 Antibody conjugates and methods of making and using the same Yun Cheol Kim, Chao Bai Huang, David Rabuka 2022-10-11
11097013 Anti-HER2 antibody-maytansine conjugates and methods of use thereof David Rabuka, Aaron Edward Albers, Robyn M. Barfield, Gregory W. deHart, Romas Alvydas Kudirka +2 more 2021-08-24
10124070 Anti-HER2 antibody-maytansine conjugates and methods of use thereof David Rabuka, Aaron Edward Albers, Robyn M. Barfield, Gregory W. deHart, Romas Alvydas Kudirka +2 more 2018-11-13