Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.

Showing 1–2 of 2 inventors

Rank Inventor Primary Company Patents
1 Toshiyuki Kawaharamura Kochi Prefectural Public University 2
2 Ryuichi Sugimoto Mitsui Toatsu Chemicals, Incorporated 1