Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4538697 | Vibration-absorbing system for an automotive vehicle | Akira Muroi, Masakatsu Sano, Junichi Kamiya, Masao Okajima | 1985-09-03 |
| 4422572 | Engine cooling water circulation system | Yukio Sakurai, Masao Okajima | 1983-12-27 |