Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Bosshi Kudo | Mitsubishi Kinzoku | 3 |
| 1 | Yoshio Iwasa | Nissan Motor Co. | 3 |
| 3 | Yoshiaki Osaka | Kureha Kagaku Kogyo | 2 |
| 3 | Yoshikuni Kunitake | Mitsui Engineering & Shipbuilding Co. | 2 |
| 3 | Seiichi Miyakawa | Ricoh Company | 2 |
| #6 | Yasuhiro Kishiue | Ichikawa Woolen Textile Co. | 1 |