Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DS

David J. Schaaf — 3 Patents

CACalgene: 3 patents #29 of 122Top 25%
Davis, CA: #471 of 1,472 inventorsTop 35%
California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,609,256 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6541682 Plastid transformation of solanaceous plants Narender Nehra, Vladimir Sidorov, David M. Stalker, Guangning Ye 2003-04-01
6492578 Expression of herbicide tolerance genes in plant plastids Jeffrey M. Staub, Peter Hajdukiewicz, Kevin McBride, Narender Nehra, David M. Stalker +1 more 2002-12-10
6013860 Expression of enzymes involved in cellulose modification Michael E. Himmel, David M. Stalker, Steven R. Thomas 2000-01-11