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

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Satoko Fujiyama Mitsui Chemicals 3
2 Tetsuya Saitou Tokyo Electron Limited 1
2 Hirotoshi Ishii Idemitsu Kosan Co. 1
2 Tetsutaro Sato 1