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

Toppan Photomasks

Rank (All Time): #34,410 of 106,127Top 35%
25 inventors
17 Patents All Time

Top Inventors at Toppan Photomasks All Time

Showing 1–25 of 25 inventors

RankNamePatents
1 Curt A. Jackson 4
1 David S. Cummins 4
1 James N. Cook 4
#4 Gregory P. Hughes 3
#4 Joseph Gordon 3
#6 Franklin D. Kalk 2
#6 Jan E. Gentry 2
#6 Janice M. Paduano 2
#6 Jeffry S. Schepp 2
#6 Julio Reyes 2
#6 Thomas T. Cogdell 2
#6 Xiaoming Chen 2
#6 Xun Zhang 2
#14 Bart A. Wiles 1
#14 Craig Kokjohn 1
#14 Danny Rittman 1
#14 Ethan M. Frye 1
#14 Hakki Ufuk Alpay 1
#14 Jennifer M. Shepler 1
#14 Kevin L. Griffin 1
#14 Kent Nakagawa 1
#14 Laurent Dieu 1
#14 Micha Oren 1
#14 Peter Buck 1
#14 Peter A. Hendrickson 1