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 151–200 of 83,584 inventors

RankNamePatents
#145 In Hong Ko 24
#145 Jae Ho Choi 24
#145 James Roskind 24
#145 Kazuhiko Ishihara 24
#145 Luke Randolph 24
#145 Ludovico Rollo 24
#145 Robert K. Mohr 24
#145 Russell Todd Nevins 24
#145 Terry D. Beard 24
#145 Thomas Garity 24
#145 Tomas Arevalo 24
#145 Yoshikazu Nakayama 24
#145 Allegra Rollo 24
#164 Jun-ichi Nishizawa 23
#164 Long CHEN 23
#164 Robert E. Stewart 23
#164 Shigetoshi Sugawa 23
#164 Takahisa Nitta 23
#164 Toshio Hirai 23
#164 Akihiro Morimoto 23
#164 Amir Keyvan Khandani 23
#172 Charles T. Michael 22
#172 Dov Padeh 22
#172 Hiroshi Amano 22
#172 Isamu Akasaki 22
#172 Kazuhiko Ishii 22
#172 Kensaku Mori 22
#172 Koichi Shudo 22
#172 Masahiro Watanabe 22
#172 Noboru Koshizuka 22
#172 Sadayuki Hongo 22
#172 Satiko Okazaki 22
#172 Steven Patrick Pascale 22
#172 Wolf Gluck 22
#172 Yu Sun 22
#172 Akira Fujishima 22
#187 David H. Sitrick 21
#187 Doug Clouser 21
#187 Edward Joseph Khoury 21
#187 Edwin Ryan 21
#187 Grace H. Mack 21
#187 Jean-Laurent Mallet 21
#187 John W. Jacobs 21
#187 Karsten Laing 21
#187 Marina E. Korchagina 21
#187 Pavel V. Korchagin 21
#187 Thierry Delabroye 21
#187 Alan R. Loudermilk 21
#199 Bernard Fryshman 20
#199 Brian Dutro 20