Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5551956 | Superheavy oil emulsion fuel and method for generating deteriorated oil-in-water superheavy oil emulsion fuel | Noboru Moriyama, Akio Hiraki | 1996-09-03 |
| 5024676 | Super-heavy oil emulsion fuel | Noboru Moriyama, Akio Hiraki | 1991-06-18 |
| 4251345 | Method for effecting coal-liquefying reaction | Akio Hiraki, Hikokusu Kajimoto | 1981-02-17 |