Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887427 | Exhaust particle removing system for an engine | Nobukazu Kanesaki | 1989-12-19 |
| 4881501 | Diesel engine having shaped flame dispersing recess in piston crown | Yoshiki Sekiya | 1989-11-21 |