Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198352 | Electricity storage device controller, electric system and construction machine | Seiji Ishida, Ken Takeuchi, Mutsumi Kikuchi | 2021-12-14 |
| 11149409 | Construction machine | Shinya Imura, Masafumi HITA, Seiji Ishida, Ken Takeuchi | 2021-10-19 |