Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335981 | Cargo handling equipment | Seiji Akiyama, Kazuhiko Ueki | 1982-06-22 |
| 4330224 | Collapsible rubber dam installation | Tateo Muramatsu | 1982-05-18 |
| 4329104 | Cargo handling apparatus | Seiji Akiyama, Kazuhiko Ueki | 1982-05-11 |