Top Inventors at Mitsui Mining Company, Limited 1989
Showing 1–12 of 12 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshiaki Saitow | 1 |
| 1 | Keiichiro Koba | 1 |
| 1 | Michihiko Matsue | 1 |
| 1 | Morihito Okamura | 1 |
| 1 | Noriaki Nishitani | 1 |
| 1 | Osamu Matsunaga | 1 |
| 1 | Taizo Utsunomiya | 1 |
| 1 | Tetsuya Oishi | 1 |
| 1 | Hiroshi Tsutsumi | 1 |
| 1 | Izumi Yamada | 1 |
| 1 | Kazuhiko Hanashita | 1 |
| 1 | Katsusuke Iwanaga | 1 |