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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Lee-Cheng Liu — 4 Patents

GEGenvec: 1 patents #21 of 40Top 55%
OPObi Pharma: 1 patents #25 of 38Top 70%
W&W. R. Grace &: 1 patents #186 of 433Top 45%
WCW.R. Grace & Co.-Conn.: 1 patents #543 of 1,045Top 55%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Lee-Cheng Liu has been granted 4 US patents while listed as an inventor at Genvec. The first was granted in 1997 and the most recent in February 2025. Lee-Cheng Liu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Lee-Cheng Liu in Taipei, MD, TW.

Patents per Year

Patents granted per year, 1997 to 2025Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19971999: 1 patents19992001: 1 patents20012025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12234266 CRM197 protein expression I-Ming Cho, Chia-Hung Chiu 2025-02-25
6168941 Method of producing adenoviral vector stocks Shoupeng Lai 2001-01-02
5891713 Cell inoculation device Timothy Jon Perlman, Catherine A. Doyle 1999-04-06 $10,518,000
5643794 Apparatus for bioprocessing a circulating fluid Timothy Jon Perlman, Catherine A. Doyle 1997-07-01 $10,476,000