Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865808 | Method for making hypereutetic Al-Si alloy composite materials | Kiyoshi Ichikawa, Shinji Yamamoto | 1989-09-12 |
| 4822097 | Vehicle roof structure having sliding roof lid | — | 1989-04-18 |