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USPTO Patent Rankings Data through Dec 31, 2025
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Stephanie Chu — 12 Patents

AMAmbrx: 12 patents #13 of 85Top 20%
Eli Lilly: 3 patents #1,027 of 2,858Top 40%
Simi Valley, CA: #115 of 1,200 inventorsTop 10%
California: #51,404 of 386,348 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Stephanie Chu has been granted 12 US patents while listed as an inventor at Ambrx. The first was granted in 2011 and the most recent in January 2018. Stephanie Chu ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Stephanie Chu in Simi Valley, CA, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9868972 Hybrid suppressor tRNA for vertebrate cells Feng Tian, Thea Norman 2018-01-16
9644014 Modified animal erythropoietin polypeptides and their uses Feng Tian, Anna-Maria A. Hays Putnam, Frank Song, Joseph Sheffer, Richard S. Barnett +4 more 2017-05-09 $446,893,000
9156899 Modified animal erythropoietin polypeptides and their uses Feng Tian, Anna-Maria A. Hays Putnam, Frank Song, Joseph Sheffer, Richard S. Barnett +4 more 2015-10-13 $236,599,000
9133495 Hybrid suppressor tRNA for vertebrate cells Feng Tian, Thea Norman 2015-09-15
9074010 Modified human plasma polypeptide or Fc scaffolds and their uses Joseph Sheffer, Thea Norman, Richard D. DiMarchi, Anna-Maria A. Hays Putnam, Feng Tian +2 more 2015-07-07
8618257 Modified human plasma polypeptide or Fc scaffolds and their uses Joseph Sheffer, Thea Norman, Richard D. DiMarchi, Anna-Maria A. Hays Putnam, Feng Tian +2 more 2013-12-31
8569233 Modified animal erythropoietin polypeptides and their uses Feng Tian, Anna-Maria A. Hays Putnam, Frank Song, Joseph Sheffer, Richard S. Barnett +4 more 2013-10-29 $99,885,000
8420792 Suppressor tRNA transcription in vertebrate cells Feng Tian, Thea Norman 2013-04-16
8278418 Modified animal erythropoietin polypeptides and their uses Feng Tian, Anna-Maria A. Hays Putnam, Frank Song, Joseph Sheffer, Richard S. Barnett +4 more 2012-10-02
8053560 Modified human plasma polypeptide or Fc scaffolds and their uses Joseph Sheffer, Thea Norman, Richard D. DiMarchi, Anna-Maria A. Hays Putnam, Feng Tian +2 more 2011-11-08
8022186 Modified human plasma polypeptide or Fc scaffolds and their uses Joseph Sheffer, Thea Norman, Richard D. DiMarchi, Anna-Maria A. Hays Putnam, Feng Tian +2 more 2011-09-20
7919591 Modified human plasma polypeptide or Fc scaffolds and their uses Joseph Sheffer, Thea Norman, Richard D. DiMarchi, Anna-Maria A. Hays Putnam, Feng Tian +2 more 2011-04-05