Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kuniaki Tanaka | — | 2 |
| 2 | Kiyomitsu Ishihara | Ykk | 1 |
| 2 | Yasunori Motoi | Diamond Engineering Co. | 1 |
| 2 | Tadahiro Takamatsu | Yoshida Kogyo K.K. | 1 |
| 2 | Chikanobu Tomikawa | Nippon Carbide Kogyo | 1 |
| 2 | Isamu Amemiya | Nippon Carbide Kogyo | 1 |
| 2 | Kazuyoshi Miyata | Otsuka Pharmaceutical Factory | 1 |
| 2 | Shoji Ohno | Hitachi | 1 |
| 2 | Hirokazu Ebata | Yoshida Kogyo K.K. | 1 |