Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hosei Shinoda | Mitsui Toatsu Chemicals, Incorporated | 4 |
| 1 | Masanori Aritake | Toyoda Gosei Co. | 4 |
| 3 | Akira Takayanagi | Tokai Rubber Industries | 1 |
| 3 | Shigeharu Mori | Amano Enzyme | 1 |
| 3 | Mitsuhiro Kikuta | Toyoda Gosei Co. | 1 |
| 3 | Takuji Nagata | Toyoda Gosei Co. | 1 |
| 3 | Katsuhisa Sawazaki | Toyoda Gosei Co. | 1 |
| 3 | Yoshiharu Tsutsui | Toyoda Gosei Co. | 1 |