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

William K. Chan — 6 Patents

UNUnknown: 5 patents #3,065 of 83,584Top 4%
Elk Grove, CA: #43 of 301 inventorsTop 15%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
William K. Chan has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 2014 and the most recent in September 2021. William K. Chan ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list William K. Chan in Elk Grove, CA, US.

Patents per Year

Patents granted per year, 2014 to 2021Bar chart with a peak of 2 patents in 2019.peak 22014: 1 patents20142019: 2 patents20192020: 2 patents20202021: 1 patents2021

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11129902 Enhanced SN-38 anticancer agent Mamoun M. Alhamadsheh, Miki S. Park, Xiaoling Li, SRAVAN C. PENCHALA, MARK R. MILLER 2021-09-28
10772967 Enhanced anticancer agent Mamoun M. Alhamadsheh, Miki S. Park, Xiaoling Li, SRAVAN C. PENCHALA, MARK R. MILLER 2020-09-15
10596269 Delivering enhanced active agents Mamoun M. Alhamadsheh, Miki S. Park, Xiaoling Li, SRAVAN C. PENCHALA, MARK R. MILLER 2020-03-24
10363318 Enhanced active agents Mamoun M. Alhamadsheh, Miki S. Park, Xiaoling Li, SRAVAN C. PENCHALA, MARK R. MILLER 2019-07-30
10172959 Systems for stabilizing and delivering active agents Mamoun M. Alhamadsheh, Miki S. Park, Xiaoling Li, SRAVAN C. PENCHALA, MARK R. MILLER 2019-01-08
8669264 Rutaecarpine derivatives for activating CYP1A2 in a subject Liang Xue, Stan W. Linnet, Timothy N. Linnet 2014-03-11