Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Atsushi Sato | Nippon Petrochemicals, Co. | 288 |
| 2 | Yoshiharu Kikuchi | Mitsui Chemicals | 35 |
| 3 | Nobuyuki Morimoto | Sumco | 27 |
| #4 | Koichi Kaneda | Idemitsu Kosan Co. | 9 |
| #5 | Shuji Matsumura | Mitsui Toatsu Chemicals, Incorporated | 8 |
| #6 | Akihiro Inukai | Mitsui Chemicals | 2 |