Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Hiroshi Haruyama Nissan Chemical Industries 1
1 Kazuaki Umetsu Kabushiki Kaisha Toshiba 1
1 Masami Hanaue Nissan Chemical Industries 1
1 Toshiro Miyake Nissan Chemical Industries 1