Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5115643 | Method for operating air conditioner | Masashi Watanabe, Kisuke Tashiro | 1992-05-26 |
| 4941326 | Air conditioner having outdoor air introducing mechanism | Toyo Sumi, Motoshi Miyanaka, Keiji Sato | 1990-07-17 |
| 4605863 | Digital control circuit | Kenzi Toudo, Motoshi Yiyanaka | 1986-08-12 |