Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toyofumi Yamada | Ihara Chemical Industry Co. | 2 |
| 2 | Masatoshi Shinbashi | Howa Co. | 1 |
| 2 | Katsuhiro Nishikura | Howa Co. | 1 |
| 2 | Kazuhiko Nishikiori | Nihon Plast Co. | 1 |
5 patents · 4 inventors
Ranked #68,584 of 111,555 cities Top 65%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toyofumi Yamada | Ihara Chemical Industry Co. | 2 |
| 2 | Masatoshi Shinbashi | Howa Co. | 1 |
| 2 | Katsuhiro Nishikura | Howa Co. | 1 |
| 2 | Kazuhiko Nishikiori | Nihon Plast Co. | 1 |