Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5089031 | Coal gasification apparatus using coal powder | Kenichi Kikuchi, Akio Suzuki | 1992-02-18 |
| 4721514 | Coal gasification method using coal powder | Kenichi Kikuchi, Akio Suzuki | 1988-01-26 |