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

Sika

Rank (All Time): #21,358 of 106,127Top 25%
35 inventors
29 Patents All Time

Top Inventors at Sika All Time

Showing 1–35 of 35 inventors

RankNamePatents
1 Norman Blank 10
2 Gerald Fitzgerald 8
3 Chin-Jui Chang 6
#4 Gregory W. Hopton 5
#4 John L. Hanley, IV 5
#4 Randy Stratman 5
#7 Atsushi Kobayashi 2
#7 Cheong Kow 2
#7 Jun Imamura 2
#7 Paul Levandowski 2
#7 Pero Ljubevski 2
#7 Roman C. Boos 2
#7 Steve Roberts 2
#7 Tetsu Tomoyose 2
#7 Wernher M. Danzinger 2
#7 Akira Ikeda 2
#17 David W. Jones 1
#17 David J. Otto 1
#17 Dennis Lee Edwards 1
#17 Hirofumi Bandoh 1
#17 Hong Yao 1
#17 Kaname Saito 1
#17 Kaname Saitoh 1
#17 Natalino Broccardo 1
#17 Raymond D. Helferty 1
#17 Robert D. Myers 1
#17 Rohit Shah 1
#17 Seiichi Koshisaka 1
#17 Steven Rosenberg 1
#17 Toshihiko Amaya 1
#17 Elizabeth Alexander Schowe 1
#17 Michael Geissbuhler 1
#17 Mark Stuligross 1
#17 Ralph Delle Donne 1
#17 Albert Maria Vodermayer 1