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 101–150 of 83,584 inventors

RankNamePatents
#96 Robert J. Medoff 30
#96 Albert K. Chin 30
#103 Jerry Iggulden 29
#103 Loren S. Adell 29
#103 Michio Yamaji 29
#103 Tadatomo Suga 29
#103 Akio Harada 29
#108 Bo Sun Jeung 28
#108 Chester A. Heath 28
#108 James R. Campbell 28
#108 Mikio WAKI 28
#108 Patrick Jeker 28
#108 Robert S. Wallace 28
#108 Seiki CHIBA 28
#108 Tom White 28
#116 Brent Sheldon 27
#116 Carsten Jörgensen 27
#116 Douglas Fougnies 27
#116 Eric Claeys 27
#116 Gregory E. Summers 27
#116 Kouji Nishino 27
#116 Larry L. Day 27
#116 Marc T. Rentz 27
#116 Nagakazu Furuya 27
#116 Robert A. Pressman 27
#116 Seiji Kagawa 27
#116 Taylor J. Carpenter 27
#128 Carlo Migli 26
#128 David Rubin 26
#128 Gary L. Sharpe 26
#128 Gary Stephen Shuster 26
#128 Jian Jim Wang 26
#128 John W. Bogdan 26
#128 Ken Sakamura 26
#128 Mark L. Anderson 26
#128 Noel J. Guillama 26
#128 Philipp Seiler 26
#128 Stephen C. Wardlaw 26
#139 Charles Chang 25
#139 Donald E. Weder 25
#139 Franco Ferrari 25
#139 Frank Massa 25
#139 Gino H. Cassai 25
#139 Masuhiro Kogoma 25
#145 Bradley H. Nathan 24
#145 Brian J. O'Rourke, III 24
#145 David Jon Backstein 24
#145 Elizabeth Goodfield 24
#145 Hartwig Bull 24
#145 Howard W. DeMoore 24