Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878924 | Integrated separator for solid and gas contaminants in engine oil | Hisashi Yano, Junsuke Yabumoto | 1989-11-07 |
| 4865632 | Integrated separator for solid and gaseous contaminants in a fluid | Hisashi Yano, Junsuke Yabumoto | 1989-09-12 |