Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kikuo Nagatoshi | Idemitsu Kosan Co. | 2 |
| 2 | Koichi Yano | Canon | 1 |
| 2 | Ken Nonaka | Honda Motor Co. | 1 |
| 2 | Akio Yamane | Wakunaga Seiyaku Kabushiki Kaisha | 1 |
| 2 | Ryousuke Kaneshige | Mitsui Chemicals | 1 |
| 2 | Hideaki Miyafuzi | Nippon Petrochemicals, Co. | 1 |
| 2 | Seiichi Shido | Idemitsu Kosan Co. | 1 |
| 2 | Osamu Ohara | Kazusa Dna Research Institute | 1 |