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

Da Ren — 7 Patents

AMAmgen: 5 patents #659 of 2,867Top 25%
PFPurdue Research Foundation: 1 patents #1,409 of 3,174Top 45%
CCCooler Master Co.: 1 patents #82 of 45Top 185%
Thousand Oaks, CA: #353 of 1,766 inventorsTop 20%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Da Ren has been granted 7 US patents while listed as an inventor at Amgen. The first was granted in 2018 and the most recent in September 2025. Da Ren ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Da Ren in Thousand Oaks, CA, US.

Patents per Year

Patents granted per year, 2018 to 2025Bar chart with a peak of 2 patents in 2021.peak 22018: 1 patents20182021: 2 patents20212022: 2 patents20222024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12429405 Sequential digestion of polypeptides for mass spectrometric analysis Melissa Sato 2025-09-30
11993663 Low-viscosity antigen binding proteins and methods of making them Joon Huh, Riki Stevenson, Pavel Bondarenko, Andrew Nichols, Neeraj Jagdish Agrawal +1 more 2024-05-28 $312,032,000
11427627 Fc-containing molecules exhibiting predictable, consistent, and reproducible glycoform profiles Zhimei Du, Pranhitha Reddy, Randal B. Bass, Feng HE, William C. Fanslow, III +2 more 2022-08-30 $263,025,000
11385238 Methods of protein clips recovery Izydor APOSTOL, Alexander Julian VEACH 2022-07-12
11059908 Low-viscosity antigen binding proteins and methods of making them Joon Huh, Riki Stevenson, Pavel Bondarenko, Andrew Nichols, Neeraj Jagdish Agrawal 2021-07-13 $251,429,000
10908165 Method for determining whether a peptide comprises aspartate or isoaspartate Stephen Ayrton, Robert Graham Cooks, Tawnya Flick 2021-02-02
9972455 Button and keyboard device 2018-05-15