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

D. Duan — 17 Patents

HSHuman Genome Sciences: 16 patents #34 of 224Top 20%
OFOklahoma Medical Research Foundation: 2 patents #57 of 184Top 35%
SASystem Of Systems Analytics: 1 patents #4 of 12Top 35%
Bethesda, MD: #86 of 2,269 inventorsTop 4%
Maryland: #1,524 of 35,612 inventorsTop 5%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
D. Duan has been granted 17 US patents while listed as an inventor at Human Genome Sciences. The first was granted in 1999 and the most recent in July 2017. D. Duan ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list D. Duan in Bethesda, MD, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9696316 Conformationally dynamic peptides Jonathan R. Moll, Alan Rudolph, Renee Wegrzyn 2017-07-04
7595038 Methods of treatment using antibodies to follistatin-3 Steven Ruben 2009-09-29 $229,171,000
7232667 Keratinocyte growth factor-2 polynucleotides Steven Ruben, Joachim R. Gruber, Mark A. Rampy, Donna Mendrick, Jun Zhang +6 more 2007-06-19 $7,823,000
7208470 Method of treating reproductive system cancer by administering follistatin-3 Steven Ruben 2007-04-24 $3,392,000
6953662 Follistatin-3 Steven Ruben 2005-10-11 $5,666,000
6921644 Follistatin-3 Steven Ruben 2005-07-26 $8,342,000
6916786 Keratinocyte growth factor-2 Steven Ruben, Pablo Jimenez, Mark A. Rampy, Donna Mendrick, Jun Zhang +6 more 2005-07-12 $8,129,000
6903072 Keratinocyte growth factor-2 Steven Ruben, Pablo Jimenez, Mark A. Rampy, Donna Mendrick, Jun Zhang +6 more 2005-06-07 $6,029,000
6693077 Keratinocyte growth factor-2 Steven Ruben, Pablo Jimenez, Mark A. Rampy, Donna Mendrick, Jun Zhang +6 more 2004-02-17 $18,286,000
6593112 Polynucleotides encoding fibroblast growth factor 15 John Greene, Craig Rosen, Ralph Alderson, Robert J. Melder 2003-07-15 $8,514,000
6537966 Follistatin-3 Steven Ruben 2003-03-25 $5,983,000
6534485 Bone marrow-specific protein Steven Ruben 2003-03-18 $5,412,000
6486301 Interleukin-20 Reinhard Ebner, Marianne Murphy, Steven Ruben, Jing-Shan Hu, Kimberly Florence +1 more 2002-11-26 $10,900,000
6379923 ELL2, a new member of an ELL family of RNA polymerase II elongation factors Ali Shilatifard, Joan W. Conaway, Ronald Conaway 2002-04-30 $9,309,000
6372454 Nucleic acid molecules encoding Follistatin-3 Steven Ruben 2002-04-16 $8,900,000
6077692 Keratinocyte growth factor-2 Steven Ruben, Pablo Jimenez, Mark A. Rampy, Donna Mendrick, Jun Zhang +6 more 2000-06-20 $196,537,000
6008018 ELL2, a new member of an ELL family of RNA polymerase II elongation factors Ali Shilatifard, Joan W. Conaway, Ronald C. Conway 1999-12-28 $19,307,000