Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D810382 | Suspension for a hoist | — | 2018-02-13 |
| 9048698 | Hoist | — | 2015-06-02 |
| 8770368 | Wet type friction plate | — | 2014-07-08 |
| D667380 | Switch for hoist | Kazumitsu Ishikawa, Kazuhiro Nishikawa, Shigeo Terai | 2012-09-18 |
| D655883 | Electric chain hoist | — | 2012-03-13 |