Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Mitoshi Ishii Ishii Tool & Engineering 2
2 Kenji Fukumoto Nereus Pharmaceuticals 1
2 Haruhiko Kondou Japan Polyolefins Co. 1
2 Keiji Konno Jsr 1