Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5873982 | Method and apparatus of discriminating coal species | Junichi Yoshimura, Mitsuyuki Takahashi, Osamu Hatakeyama, Satoshi Sugawara, Masatoshi Yokoyama +5 more | 1999-02-23 |