Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354919 | Process for the liquefaction of coal | Shoichi Oi, Noriaki Ohnishi, Tadanobu Takata, Keiichiro Koba | 1982-10-19 |
| 4344837 | Process for the dehydration and liquefaction of water-containing coal | Tadashi Komiyama, Shoichi Oi, Noriaki Ohnishi, Tadanobu Takata, Isao Kubo | 1982-08-17 |