Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroo Minami | Yoshida Kogyo K.K. | 7 |
| 2 | Noritaka Tsubata | Yoshida Kogyo K.K. | 2 |
| 3 | Akiyoshi Kando | Yoshida Kogyo K.K. | 1 |
| 3 | Hiroo Mimami | Yoshida Kogyo K.K. | 1 |
| 3 | Seizo Sekiguchi | Yoshida Kogyo K.K. | 1 |
| 3 | Minami Hiroo | Yoshida Kogyo K.K. | 1 |
| 3 | Sadaho Asahi | Yoshida Kogyo K.K. | 1 |
| 3 | Masaaki Okuda | Tayca | 1 |
| 3 | Kenji Sugino | Sugino Machine Limited | 1 |
| 3 | Yukiaki Nagata | Sugino Machine Limited | 1 |
| 3 | Yukio Taga | Nippon Notion Kogyo Co. | 1 |