KO

Koppers

Rank (All Time): #4442 of 106,127Top 5%
126 inventors
168
Patents All Time

Top Inventors at Koppers All Time

Showing 1–50 of 126 inventors

RankNamePatents
1 Gerd Leston 19
2 Hans Dressler 9
3 Nicholas P. Greco 7
3 William Eric Wallace 7
#5 Philip H. Harju 5
#5 William T. Gormley 5
#7 Eugene A. Pasek 4
#7 Faiz Pourarian 4
#7 George R. Cain 4
#7 Stanley R. Prew 4
#7 Yoshiyuki Okamoto 4
#12 Byung Kook Ahn 3
#12 Carl Lindgren 3
#12 Edward Harris 3
#12 Harlan J. Demers 3
#12 Hilda Howell 3
#12 James R. Boose 3
#12 John F. Kamody 3
#12 Michael Perch 3
#12 Robert Hill 3
#12 Rodney C. Irwin 3
#22 Craig R. McIntyre 2
#22 Donald J. Gerber 2
#22 Edward W. Kifer 2
#22 George M. Bretz 2
#22 Glenn H. Falck 2
#22 Gui Yu 2
#22 James P. Colton 2
#22 Jack Hyde 2
#22 John D. Carlson 2
#22 John W. Pfeiffer 2
#22 Kenneth K. Carman 2
#22 Michael M. Calistrat 2
#22 Michael J. Kozy 2
#22 Philip S. Lowell 2
#22 Piotr S. Wojciechowski 2
#22 Samuel N. Holter 2
#22 Stanley G. Webb 2
#22 Vijay K. Sinha 2
#22 Vincent J. Wojtyna 2
#22 William D. Pilesi 2
#22 Andrew Becker 2
#22 Anthony A. Latowski 2
#44 Bernard R. Kuchta 1
#44 C. Donald Fisher 1
#44 Chester D. Fisher 1
#44 Daniel A. Eakin 1
#44 Dennis G. De Wald 1
#44 Donald Atkinson 1
#44 Donald A. Lederer 1