Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10780563 | Electric power tool and method of controlling rotational speed of motor in electric power tool | Yoshitaka Ichikawa, Ryo UMEMOTO, Kunihisa Shima | 2020-09-22 |
| 10592151 | Work apparatus, and method of rewriting history information thereof | Yoshitaka Ichikawa | 2020-03-17 |