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USPTO Patent Rankings Data through Sept 30, 2025
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Educational Testing Service — 15 Patents in 2020

Rank (2020): #2,643 of 32,488Top 9%
35 inventors
15 Patents 2020

Top Inventors at Educational Testing Service 2020

Showing 1–35 of 35 inventors

RankNamePatents
1 Lei Chen 7
2 Keelan Evanini 4
3 Beata Beigman Klebanov 3
3 Chong-Min Lee 3
3 Chee Wee Leong 3
3 Klaus Zechner 3
3 Patrick Lange 3
3 Yao Qian 3
#9 Alexei Ivanov 2
#9 David Suendermann-Oeft 2
#9 Gary Feng 2
#9 Vikram Ramanarayanan 2
#13 Anastassia Loukina 1
#13 Christopher Kitchen 1
#13 David Kaufer 1
#13 David M. Williamson 1
#13 Derrick Higgins 1
#13 Eugene Tsuprun 1
#13 Hillary Molloy 1
#13 Isaac Bejar 1
#13 Jill Burstein 1
#13 Jidong Tao 1
#13 Joanna Gorin 1
#13 Matthias Von Davier 1
#13 Michael Flor 1
#13 Michael Heilman 1
#13 Michelle Paulette Martin 1
#13 Nitin Madnani 1
#13 Patrick Charles Kyllonen 1
#13 Paul L. Yeoh 1
#13 Robert A. Pugh 1
#13 Rutuja Ubale 1
#13 Su-Youn Yoon 1
#13 Yigal Attali 1
#13 Zhou Yu 1