Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kuniaki Tanaka | — | 4 |
| 2 | Kiyomitsu Ishihara | Ykk | 2 |
| 2 | Katsura Ochi | Nippon Carbide Kogyo | 2 |
| 2 | Akiyoshi Kando | Yoshida Kogyo K.K. | 2 |
| #5 | Hajime Mura | Nippon Carbide Kogyo | 1 |
| #5 | Kazuyoshi Miyata | Otsuka Pharmaceutical Factory | 1 |
| #5 | Hideto Miyamoto | Kabushiki Kaisha Fujikoshi | 1 |
| #5 | Noritaka Tsubata | Yoshida Kogyo K.K. | 1 |
| #5 | Mitsuru Muto | Sugino Machine Limited | 1 |
| #5 | Minoru Senna | Nitto Boseki Co. | 1 |