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

Unknown — 69,227 Patents

Rank (All Time): #6 of 106,127Top 1%
83,584 inventors
69,227 Patents All Time

Top Inventors at Unknown All Time

Showing 1–50 of 83,584 inventors

RankNamePatents
1 Fritz Stahlecker 318
2 Lloyd Berg 131
3 Sheldon H. Goodman 121
#4 Akihisa Inoue 119
#5 Tsuyoshi Masumoto 117
#6 Guobiao ZHANG 100
#7 Yajun Hu 88
#8 Roger P. Jackson 81
#9 Soenghun Kim 77
#10 Hans Stahlecker 70
#10 Michelle Fisher 70
#12 Huasong Zhou 67
#13 James L. Surber 66
#14 Vijay Madisetti 63
#14 Arshdeep Bahga 63
#16 Peter J. Balsells 62
#17 Brian K. Reaux 61
#18 Adolph E. Goldfarb 59
#19 Brian Stelmarski 57
#19 Pedro B. Macedo 57
#21 Michael P. Ziaylek 56
#22 Edward S. Robbins, III 55
#23 Andrew G. Cartlidge 54
#24 Lester F. Ludwig 53
#25 Nobukazu Ikeda 52
#26 Serguei A. Popov 50
#27 Chengli LI 49
#27 Elliot Rudell 49
#29 Günther Metz 46
#29 Isabelle Cornut 46
#29 Jean-Louis Dasseux 46
#29 Klaus Büttner 46
#29 Renate Sekul 46
#34 Mel Appel 43
#34 Shoichi Nakamura 43
#34 Tadashi Shibata 43
#37 Gerd Stahlecker 42
#37 Howard Fein 42
#37 Kanji Otsuka 42
#40 Emmanuelle Charpentier 41
#40 George Foster 41
#40 Jennifer A. Doudna 41
#40 Krzysztof Chylinski 41
#40 Martin Jinek 41
#40 Thomas J. Fogarty 41
#46 Kenneth A. Tarlow 39
#46 Tamotsu Usami 39
#46 Wendell Brown 39
#46 Alain Desmeules 39
#50 Joseph J. Berke 38