Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10122245 | Engine-driven working machine | Hiroshi Koyama | 2018-11-06 |
| 10001055 | Engine-driven working machine housed in outer case with vibration isolating support | Hiroshi Koyama | 2018-06-19 |