Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joji Kasugai | Toyoda Gosei Co. | 4 |
| 2 | Akira Fujishima | Unknown | 3 |
| 2 | Kaoru Suzuki | Kabushiki Kaisha Toshiba | 3 |
| #4 | Hiroshi Taira | Brother Kogyo | 2 |
| #4 | Tomonori Niwa | Ngk Spark Plug Co. | 2 |
| #4 | Katsuhide Manabe | Toyoda Gosei Co. | 2 |
| #4 | Nobutaka Hiramatsu | Daido Metal Company | 2 |
| #8 | Toshihide Inoue | Toray Industries | 1 |
| #8 | Tadanobu Iwasa | Toyoda Gosei Co. | 1 |
| #8 | Junichi Nakaho | Mitsubishi Electric | 1 |
| #8 | Keizo Ito | Toyoda Gosei Co. | 1 |
| #8 | Yoshiteru Hattori | Brother Kogyo | 1 |
| #8 | Katsunobu Sakane | Toyoda Gosei Co. | 1 |
| #8 | Minoru Niwa | Toyoda Gosei Co. | 1 |
| #8 | Tokunori Kato | Brother Kogyo | 1 |