Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6552912 | Inverter apparatus for driving a compressor motor and a method for manufacturing the apparatus | Hidetoshi Kanazawa, Yukinobu Takahashi | 2003-04-22 |
| 5467606 | Air conditioning apparatus capable of operating in cooling mode and heating mode | Masahiko Sasaki, Yasutoshi Tsuchiya | 1995-11-21 |
| 5305822 | Air conditioning apparatus having a dehumidifying operation function | Katsumi Kogetsu, Kanji Takebayashi, Shigeto Sumitani, Hiroaki Kuroyanagi, Takeshi Sato +1 more | 1994-04-26 |
| 5169063 | Air-conditioner having refrigerant heater | Koichi Miyazaki, Takashi Kobayashi | 1992-12-08 |