Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Toshiaki Hirota Mitsui Chemicals 1
1 Tatsuya Noritoh Fukuyama Gomu Kogyo Kabushiki Gaisha 1
1 Keita Kaihata 1
1 Akira Shinozaki Konishiroku Photo Industry Co. 1