Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12180044 | Rotation lock device, lever hoist, and hoisting machine | — | 2024-12-31 |
| 12054369 | Hoist | — | 2024-08-06 |
| D940427 | Electric chain block | — | 2022-01-04 |
| D929069 | Operating device for hoisting machine | — | 2021-08-24 |
| 11034561 | Chain block | — | 2021-06-15 |
| 9561940 | Hoist with built-in load sensitive automatic speed change device | — | 2017-02-07 |
| 9091311 | Torque transmission device | — | 2015-07-28 |
| 8997964 | Load sensitive magnetic clutch device | Kazumitsu Ishikawa | 2015-04-07 |
| 6987187 | Process for preparation of amidine derivatives | Toshiaki Masui, Kyozo Kawata, Makoto Kakinuma | 2006-01-17 |