Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131512 | Heating device | Yoshio Goto, Shigeki Takeuchi | 2021-09-28 |
| 11100727 | Communication system for working machine | Seiichi Okamura, Kanta Takechi | 2021-08-24 |
| 11055599 | Working device, working vehicle, working machine, and management system | Seiichi Okamura, Kanta Takechi | 2021-07-06 |