Top Inventors at Sumitomo Coal Mining Co. 2005
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Masao Tokita | 2 |
| 2 | Fumitake Nishiyama | 1 |
| 2 | Hitoshi Karasawa | 1 |
| 2 | Yoshito Miyasaka | 1 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Masao Tokita | 2 |
| 2 | Fumitake Nishiyama | 1 |
| 2 | Hitoshi Karasawa | 1 |
| 2 | Yoshito Miyasaka | 1 |