Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akio Mizobe | Kuraray Co. | 8 |
| 2 | Takeshi Watadani | Namba Press Works Co. | 7 |
| 3 | Kunihisa Wakimoto | Namba Press Works Co. | 4 |
| #4 | Yukio Itoshima | Kuraray Co. | 3 |
| #5 | Tomohiro Gohara | Namba Press Works Co. | 2 |