Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425819 | Air conditioner with rotary door and filter | Miyuki Maruyama, Takahiro Tokunaga, Kenji Matsui | 2002-07-30 |
| 5326315 | Air passage changeover device | Michi Inoue, Akihito Higashihara, Hiroyuki Yamazaki, Fumio Kato | 1994-07-05 |