Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342104 | Automatic lifting angle adjuster for lifting wire rope | Masanori Sato, Kazuyoshi Goto, Katsuyuki Hiyama | 1994-08-30 |
| 5207795 | Automatic lifting angle adjuster for lifting wire rope | Masanori Sato, Kazuyoshi Goto, Katsuyuki Hiyama | 1993-05-04 |
| 5125707 | Rotary load lifting hook device | Kazuhide Kameyama | 1992-06-30 |