Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008733 | Energy regeneration device and work machine provided with energy regeneration device | Naoki Sugano | 2021-05-18 |
| 10920757 | Liquid pressure rotary machine | Kei Morita, Naoki Sugano | 2021-02-16 |
| 10895063 | Energy regeneration device and work machine provided with energy regeneration device | Naoki Sugano | 2021-01-19 |