Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304865 | Combined electric shaver and blade cover therefor | Masashi Nomura | 1989-11-28 |
| 4865808 | Method for making hypereutetic Al-Si alloy composite materials | Kiyoshi Ichikawa, Satoshi Ishizuka | 1989-09-12 |