Top Inventors at Nippon Roki Co. All Time
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazushige Tanabe | 3 |
| 2 | Mikio Itoh | 2 |
| 3 | Katsutoshi Bonkohara | 1 |
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazushige Tanabe | 3 |
| 2 | Mikio Itoh | 2 |
| 3 | Katsutoshi Bonkohara | 1 |