Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hajime Matsumoto | Toybox | 2 |
| 2 | Jun Sasahara | Honda Motor Co. | 1 |
| 2 | Noriko Shima | Mitsubishi Chemical | 1 |
| 2 | Tomonari Yoshimura | Teikoku Seiyaku Co. | 1 |
| 2 | Atsushi Watarai | Mitsubishi Chemical | 1 |
| 2 | Takaaki Hatori | Sekisui Plastics Co. | 1 |
| 2 | Koji Fukamizu | Mitsubishi Chemical | 1 |
| 2 | Teruaki Okawa | Riso Kagaku | 1 |