Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yukio Akashi | West Nippon Expressway Engineering Shikoku Company Limited | 2 |
| 1 | Ken Izumori | National University Corporation Kagawa University | 2 |
| 1 | Tohru Miyake | Miraikikai | 2 |
| #4 | Taketo Sato | Toppan Printing Co. | 1 |
| #4 | Ryo Honda | Ricoh Company | 1 |
| #4 | Michitaka Honda | Kabushiki Kaisha Toshiba | 1 |
| #4 | Yoshiaki Kamigaki | Hitachi | 1 |
| #4 | Kunihiko Matsushita | Teikoku Seiyaku Co. | 1 |
| #4 | Tomohiko Ikeda | Sanyo Electric Co. | 1 |
| #4 | Hideto Matsuuchi | Miraikikai | 1 |
| #4 | Fusao Shimokawa | NTT | 1 |