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

Ucar Carbon Technology — 72 Patents

Rank (All Time): #9,540 of 106,127Top 9%
62 inventors
72 Patents All Time

Top Inventors at Ucar Carbon Technology All Time

Showing 1–50 of 62 inventors

RankNamePatents
1 Irwin C. Lewis 17
2 Robert Angelo Mercuri 16
3 Ronald Greinke 13
3 Ronald A. Howard 13
#5 Mark Thomas Arthur 8
#6 Jeffrey John Gough 6
#6 Richard I. Bretz 6
#6 Terrence Pirro 6
#9 Frank Henry Miner, Jr. 5
#10 Joseph Paul Capp 4
#10 Thomas H. Orac 4
#12 David R. Ball 3
#12 David Arthur Lehr 3
#12 Dennis J. Kampe 3
#12 Francis E. Wise 3
#12 Gordon R. Roberts 3
#17 Brian M. Ford 2
#17 Ching-Feng Chang 2
#17 Douglas J. Miller 2
#17 Herbert C. Quandt 2
#17 John J. Wetula 2
#17 Michael Frastaci 2
#17 Philip Dennis Coleman 2
#17 Raymond V. Sara 2
#17 Richard T. Lewis 2
#17 Richard L. Shao 2
#17 Allan Intermill 2
#28 Ben B. Bowman 1
#28 Charles C. Chiu 1
#28 Charles Chris Nagy 1
#28 David Paul Blain 1
#28 David G. Proctor 1
#28 Deborah D. L. Chung 1
#28 Edwin Ohneth 1
#28 Frank J. Dagata 1
#28 George Getz 1
#28 George Gulden, Jr. 1
#28 George E. Keller, II 1
#28 Harold L. King 1
#28 Harvey E. Willey 1
#28 James A. Klotz 1
#28 James R. Stewart 1
#28 Jeffery J. Gough 1
#28 Joseph Timothy Mullhaupt 1
#28 Lionel C. Montgomery 1
#28 Lien N. Parrish 1
#28 Mark Pollock 1
#28 Rostislav Didchenko 1
#28 Robert E. Smith 1
#28 Thomas Weber 1