Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10483604 | Battery pack | Hiroyoshi Yamamoto, Yoshimitsu Inoue, Koji Yamashita | 2019-11-19 |
| 10411312 | Battery pack | Yoshimitsu Inoue, Koichi Umeda, Koji Yamashita, Hiroyoshi Yamamoto | 2019-09-10 |
| 10242787 | Solenoid device and solenoid system | Ken Tanaka, Tomoaki Tanaka | 2019-03-26 |
| 10170227 | Electomagnetic driver | Ken Tanaka, Hiroaki Murakami | 2019-01-01 |