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

David C. Litzinger — 17 Patents

AMAmbrx: 11 patents #14 of 85Top 20%
APAmylin Pharmaceuticals: 2 patents #59 of 151Top 40%
ALAstrazeneca Pharmaceuticals Lp: 2 patents #25 of 76Top 35%
San Diego, CA: #2,575 of 23,606 inventorsTop 15%
California: #35,467 of 386,348 inventorsTop 10%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
David C. Litzinger has been granted 17 US patents while listed as an inventor at Ambrx. The first was granted in 2009 and the most recent in March 2023. David C. Litzinger ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list David C. Litzinger in San Diego, CA, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11596648 Emollient topical disinfectants Jack Kessler, Christopher A. Rhodes, Andrew M. CERRO 2023-03-07
11535659 Engineered polypeptides having enhanced duration of action Mary Erickson, Soumitra S. Ghosh, Zijian Guo, Jonathan David Roth 2022-12-27
11446307 Crystalline forms of a deoxycytidine kinase inhibitor and uses thereof Kenneth A. SCHULTZ 2022-09-20
9879063 Engineered polypeptides having enhanced duration of action and reduced immunogenicity Mary Erickson, Soumitra S. Ghosh, Zijian Guo, Caroline Ekblad, Jonathan David Roth 2018-01-30
9593154 Engineered polypeptides having enhanced duration of action Mary Erickson, Soumitra S. Ghosh, Zijian Guo, Swetha Neravetla, Chengzao Sun +5 more 2017-03-14
9382304 Engineered polypeptides having enhanced duration of action with reduced immunogenicity Mary Erickson, Soumitra S. Ghosh, Zijian Guo, Manoj Samant, Abhinandini Sharma +3 more 2016-07-05
9260472 Modified human four helical bundle polypeptides and their uses Ho Sung Cho, Thomas O. Daniel, Richard D. DiMarchi, Anna-Maria Hays, Troy Edward Wilson +1 more 2016-02-16
8906676 Modified human four helical bundle polypeptides and their uses Ho Sung Cho, Thomas O. Daniel, Richard D. DiMarchi, Anna-Maria Hays, Troy Edward Wilson +1 more 2014-12-09
8907064 Modified human four helical bundle polypeptides and their uses Ho Sung Cho, Thomas O. Daniel, Richard D. DiMarchi, Anna-Maria Hays, Troy Edward Wilson +1 more 2014-12-09
8778880 Human growth hormone modified at position 35 Ho Sung Cho, Thomas O. Daniel, Richard D. DiMarchi, Anna-Maria Hays, Troy Edward Wilson +1 more 2014-07-15
8178494 Modified human growth hormone formulations with an increased serum half-life Anna-Maria Hays, Ying Buechler 2012-05-15
8163695 Formulations of human growth hormone comprising a non-naturally encoded amino acid Anna-Maria Hays, Ying Buechler 2012-04-24
8143216 Modified human growth hormone Ho Sung Cho, Thomas O. Daniel, Richard D. DiMarchi, Anna-Maria Hays, Troy Edward Wilson +1 more 2012-03-27
8093356 Pegylated human interferon polypeptides Anna-Maria Hays, Bruce E. Kimmel, Ho Sung Cho, Bee-Cheng Sim, Roberto Mariani +8 more 2012-01-10
7939496 Modified human growth horomone polypeptides and their uses Ho Sung Cho, Thomas O. Daniel, Richard D. DiMarchi, Anna-Maria Hays, Troy Edward Wilson +1 more 2011-05-10
7816320 Formulations of human growth hormone comprising a non-naturally encoded amino acid at position 35 Anna-Maria Hays, Ying Buechler 2010-10-19
7638299 Biosynthetic polypeptides utilizing non-naturally encoded amino acids Ho Sung Cho, Thomas O. Daniel, Anna-Maria Hays, Troy Edward Wilson, Roberto Mariani +2 more 2009-12-29