Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887427 | Exhaust particle removing system for an engine | Motohiro Shinzawa | 1989-12-19 |
| 4881369 | Exhaust gas purifying apparatus | — | 1989-11-21 |
NK
Nobukazu Kanesaki
Overall (1989): #19,220 of 140,708Top 15%
2
Patents 1989