Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605053 | Heat pump type air conditioner and method for controlling a heat pump type air conditioner | — | 1997-02-25 |
| 5502976 | Air conditioning apparatus | Nobusuke Shirakawa, Shotaro Hamamoto, Hirokazu Unno | 1996-04-02 |