Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takeo Hayashi | Mitsubishi Gas Chemical Company | 42 |
| 2 | Keisuke Tsuji | Sharp Kabushiki Kaisha | 25 |
| 3 | Kazuhiro Kudo | Honda Motor Co. | 23 |
| #4 | Koichi Ashizawa | Uacj | 11 |
| #4 | Michihiro Kubo | Ishida Co. | 11 |
| #6 | Katsutoshi Hori | Nippon Shinyaku Co. | 6 |