Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10797584 | Active filter device, air conditioning device, and air conditioning system | Reiji Kawashima, Masaki Kouno | 2020-10-06 |
| 10651651 | Device with built-in active filter | Masaki Kono, Reiji Kawashima | 2020-05-12 |