Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681449 | Process for producing oil from organic material-containing sludge | Shinya Yokoyama, Michio Kuriyagawa, Tomoko Ogi, Hideo Kobayashi, Seiichi Inoue +1 more | 1997-10-28 |
| 5651953 | Method of producing hydrogen from biomass | Shinya Yokoyama, Tomoko Ogi, Seiichi Inoue | 1997-07-29 |