Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351937 | Hoist and traction machine with free rotation control | Yoshio Nishi, Yasuo Wada, Haruo Kubota, Yoshio Ueno | 1994-10-04 |
| 5330036 | Mechanical brake for a hoist and traction machine | Yoshio Nishi, Haruo Kubota, Yoshio Ueno | 1994-07-19 |
| 5305989 | Hoist and traction machine with free rotation control | Yoshio Nishi, Yasuo Wada, Haruo Kubota, Yoshio Ueno | 1994-04-26 |