Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Denis Drapeau — 11 Patents

Pfizer: 7 patents #741 of 5,153Top 15%
GIGenetics Institute: 2 patents #135 of 327Top 45%
EAE.I. Du Pont De Nemours And: 1 patents #8,976 of 12,129Top 75%
San Francisco, CA: #4,061 of 26,999 inventorsTop 20%
California: #56,011 of 386,348 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Denis Drapeau has been granted 11 US patents while listed as an inventor at Pfizer. The first was granted in 1985 and the most recent in April 2015. Denis Drapeau ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Denis Drapeau in San Francisco, CA, US.

Patents per Year

Patents granted per year, 1985 to 2015Bar chart with a peak of 2 patents in 2007.peak 21985: 1 patents19851996: 1 patents19961998: 1 patents19982002: 1 patents20022007: 2 patents20072008: 2 patents20082011: 1 patents20112012: 1 patents20122015: 1 patents2015

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9012180 Use of copper and glutamate in cell culture for production of polypeptides Jessica Snow, Gregory Walter HILLER, Yen-Tung Luan 2015-04-21
8232075 Rationally designed media for cell culture Yen-Tung Luan, Wenge Wang, Ryan Nolan 2012-07-31
8039231 Methods for enhanced production of bone morphogenetic proteins Yen-Tung Luan, Wenge Wang, Gregg Nyberg, Jose Manuel Gomes, Terry Cardoza 2011-10-18
7429491 Restricted glucose feed for animal cell culture Yen-Tung Luan, Terry Cardoza Stanek 2008-09-30 $186,856,000
7335491 Production of anti-abeta Yen-Tung Luan, James R. Mercer, Wenge Wang, Daniel R. Lasko 2008-02-26
7300773 Production of TNFR-Ig Yen-Tung Luan, James R. Mercer, Wenge Wang, Daniel R. Lasko 2007-11-27
7294484 Production of polypeptides Yen-Tung Luan, James R. Mercer, Wenge Wang, Daniel R. Lasko 2007-11-13
D467178 Carrying handle 2002-12-17
5830761 Medium and methods for culturing mammalian cho cells S. Robert Adamson, Yen-Tung Luan, Paul Thoday 1998-11-03
H1532 Adaption of mammalian cell lines to high cell densities S. Robert Adamson, Yen-Tung Luan, Douglas Alan Miller 1996-05-07
4500500 Selective removal of H.sub.2 S from steam also containing CO.sub.2 H. Hunter Paalman 1985-02-19 $1,740,000