Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Kazuo Kohmura Mitsui Chemicals 2
2 Tsuneaki Biyajima Mitsui Chemicals 1
2 Hideki Mihara Toyobo Mc 1
2 Tomohiro Okamura Oki Electric Industry Co. 1
2 Mikio Katsube Toyo Boseki Kabushiki Kaisha 1