Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724641 | Flow path opening/closing portion replacement device | — | 2020-07-28 |
| 10594240 | Control device for alternating current motor | Takashi Ogawa, Masaki Nishiyama | 2020-03-17 |
| 10536101 | Control device for alternating current motor | Takashi Ogawa, Masaki Nishiyama | 2020-01-14 |