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USPTO Patent Rankings Data through Dec 31, 2025
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Stephen Chang — 2 Patents in 2019

NFNew York Stem Cell Foundation: 2 patents #1 of 8Top 15%
Poway, CA: #43 of 201 inventorsTop 25%
California: #14,923 of 67,890 inventorsTop 25%
Overall (2019): #118,584 of 560,194Top 25%
2 Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10428309 Systems and methods for producing stem cells and differentiated cells Scott Noggle, Kevin C. Eggan, Susan L. Solomon 2019-10-01
10273459 Automated system for producing induced pluripotent stem cells or differentiated cells Scott Noggle, Kevin C. Eggan, Susan L. Solomon 2019-04-30