Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Junko Kawasaki Toray Industries 2
1 Katsumi Yamasaki Toray Industries 2
1 Masanobu Kobayashi Seiko Epson 2
1 Tomoyuki Kishino Teijin Limited 2
1 Tomihiro Ishida Toray Industries 2
#6 Hiroshi Hagihara Kao 1
#6 Kounosuke Yamamoto Toray Industries 1
#6 Tomio Miyazaki Honda Motor Co. 1
#6 Tatsuya Senba Toray Industries 1