Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
VI

Visiogen — 38 Patents

Rank (All Time): #16,800 of 106,127Top 20%
15 inventors
38 Patents All Time

Top Inventors at Visiogen All Time

Showing 1–15 of 15 inventors

RankNamePatents
1 Tuan Nguyen 27
2 Gholam-Reza Zadno-Azizi 22
3 Valdemar Portney 11
#4 Scott Evans 10
#5 Albert C. Ting 9
#6 George Tsai 6
#7 Erica J. Rogers 3
#7 Phu Nguyen 3
#7 Xiugao Liao 3
#10 Hai-Minh Pham 2
#10 Ian Ayton 2
#10 Luis Vargas 2
#13 Dennis Figueroa 1
#13 Nathaniel G. Portney 1
#13 Reza Zadno 1