Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11788752 | Power source quality management system and air conditioning apparatus | Jun Takahashi, Reiji Kawashima | 2023-10-17 |
| 11577186 | Active filter system and air conditioning device | Reiji Kawashima, Takayuki Fujita | 2023-02-14 |