Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–19 of 19 inventors

Rank Inventor Primary Company Patents
1 Daniel P. Brown Insta-Foam Products 3
2 Masatoshi Tsuneoka Hitachi 2
2 Isamu Asano Hitachi 2
2 Douglas G. Kelley Nalco Chemical 2
2 Mark S. Thompson Otis Elevator 2
2 Mitsuru Nakagawa Denso 2
#7 Joshua M. Silver AMD 1
#7 Leif Blackmon Boston Acoustics 1
#7 Yosuke Yukawa Renesas Technology 1
#7 Mitsugu Kusunoki Hitachi 1
#7 Noriyuki Kumasaka Hitachi 1
#7 Kenichi Kikushima Hitachi 1
#7 Kurt F. Stephan Huber+Suhner Ag 1
#7 Kevin Kitzman Alcoa 1
#7 Raymond R. Johnson Infinite Power Solutions 1
#7 Mitsuo Yamada Nippon Paint Holdings Co. 1
#7 Brandon K. Stephan 1
#7 Toshitsugu Takekuma Hitachi 1
#7 Nobuo Owada Hitachi 1

Part of Washington