Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341659 | Catalytic composition | Masakatsu Hatano, Toru Koyama, Takao Kaneko, Masayosi Murayama, Kazunori Oshima | 1982-07-27 |
| 4339329 | Liquefaction of coal | Masato Aiura, Kikuo Moriya | 1982-07-13 |