Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7748227 | Heat-pump-type hot water supply apparatus | Toshikatsu Fukunaga | 2010-07-06 |
| 6109533 | Air conditioner and refrigerant heater outlet temperature control method | Takahiko Ao, Yoshikazu Nishihara, Kuniyasu Uchiyama, Norimasa Ishikawa | 2000-08-29 |