Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351937 | Hoist and traction machine with free rotation control | Yoshio Nishi, Yasuo Wada, Haruo Kubota, Munenobu Honda | 1994-10-04 |
| 5330036 | Mechanical brake for a hoist and traction machine | Yoshio Nishi, Haruo Kubota, Munenobu Honda | 1994-07-19 |
| 5316267 | Hoist including guards with chain swelling and twist corrective surfaces | Yoshio Nishi, Haruo Kubota | 1994-05-31 |
| 5305989 | Hoist and traction machine with free rotation control | Yoshio Nishi, Yasuo Wada, Haruo Kubota, Munenobu Honda | 1994-04-26 |