Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PC

Purex Co. — 67 Patents

Rank (All Time): #10,128 of 106,120Top 10%
65 inventors
67 Patents All Time

Top Inventors at Purex Co. All Time

Showing 1–50 of 65 inventors

RankNamePatents
1 Hisashi Muraoka 10
2 George D. Evans 6
2 Makoto Yano 6
#4 Brian P. Flynn 5
#4 John H. Barrett 5
#4 Robert Ortega 5
#7 Deborah S. Winetzky 4
#7 Hiroyuki Ideue 4
#9 Ronald A. Robinson 3
#9 Walter J. Hackett 3
#9 Yasuhiko Enami 3
#9 Yuichiro Yabe 3
#13 Gerald W. Neese 2
#13 Hiroshi Tomita 2
#13 Ivar L. Schoenmeyr 2
#13 John R. Holmquist 2
#13 John P. Jones 2
#13 Peter E. Galena 2
#13 Scott M. Dever 2
#13 Tomoyuki Tanii 2
#13 William J. Boan 2
#13 Yoo Hayashida 2
#23 Eugene R. Maxey 1
#23 William B. Aurthur 1
#23 Elizabeth F. Formeloza 1
#23 Mickey M. Schleien 1
#23 Tuyoshi Matumura 1
#23 Frans Van Otterdyk 1
#23 Charles P. McClain 1
#23 Charles E. Wade 1
#23 Fred W. Thatcher 1
#23 Gordon A. Lindberg 1
#23 Hiroyoshi Nawa 1
#23 Ichiro Hayashida 1
#23 Jay R. Dittmer 1
#23 Jerry E. Yowell 1
#23 John Hudson 1
#23 Kazushi Hamada 1
#23 Kenichi Umekita 1
#23 Kunihiro Miyazaki 1
#23 Kyle K. Ito 1
#23 Masashi Ido 1
#23 Masahiko Kakizawa 1
#23 Masanori Kondo 1
#23 Meredith H. Fairchild 1
#23 Michael C. MacKenzie 1
#23 Norio Kobayashi 1
#23 Reinhold Fischer 1
#23 Robert D. Coomes 1
#23 Robert L. Trott 1