Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Katsuya Kominami | Fuso Pharmaceutical Industries | 2 |
| 2 | Teruyuki Katayama | Sumitomo Rubber Industries | 1 |
| 2 | Shigeatsu Asari | Sumitomo Electric Industries | 1 |
| 2 | Kouji Toishi | Sumitomo Chemical | 1 |
| 2 | Keisuke Hitoshio | Sumitomo Metal Industries | 1 |