Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akio Yamaguchi | Takasago International | 3 |
| 2 | Masato Kitajima | Toyoda Koki Kabushiki Kaisha | 2 |
| 3 | Nobuo Kurata | Toyota | 1 |
| 3 | Shunji Isogai | Sugiyasu Industries Co. | 1 |
| 3 | Junji Sugiura | Denso | 1 |
| 3 | Mitsuo Sugiura | Sumitomo Electric Industries | 1 |
| 3 | Kazuhiro Sumiya | Aisin Seiki Kabushiki Kaisha | 1 |
| 3 | Isao Harada | Mitsui Toatsu Chemicals, Incorporated | 1 |