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

David Hsu — 4 Patents

CHChiron: 2 patents #263 of 583Top 50%
CVChiron Viagene: 1 patents #7 of 18Top 40%
University of California: 1 patents #8,022 of 18,278Top 45%
San Diego, CA: #8,442 of 23,606 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Hsu has been granted 4 US patents while listed as an inventor at Chiron. The first was granted in 1997 and the most recent in November 2004. David Hsu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Hsu in San Diego, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6818439 Methods for administration of recombinant gene delivery vehicles for treatment of hemophilia and other disorders Douglas J. Jolly, Stephen Chang, James G. Respess, Nicholas J. DePolo, Carlos Ibanez +2 more 2004-11-16 $22,592,000
6432410 Morphogenic proteins Richard M. Harland 2002-08-13
6268492 Methods for purifying non-chromosomal nucleic acid molecules from cells Denice Mittelstaedt 2001-07-31 $52,272,000
5681746 Retroviral delivery of full length factor VIII Mordechai Bodner, Nicholas J. De Polo, Stephen Chang, James G. Respess 1997-10-28 $7,415,000