Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hajime Matsumoto | Toybox | 3 |
| 2 | Koji Fukamizu | Mitsubishi Chemical | 2 |
| 2 | Masaaki Iwai | Kabushiki Kaisha Toshiba | 2 |
| #4 | Kanako Ito | Mitsubishi Chemical | 1 |
| #4 | Teruaki Okawa | Riso Kagaku | 1 |
| #4 | Atsushi Watarai | Mitsubishi Chemical | 1 |