Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309191 | Coal-oil mixture | Osamu Hiroya, Yoshitomo Sanami | 1982-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309191 | Coal-oil mixture | Osamu Hiroya, Yoshitomo Sanami | 1982-01-05 |