Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966840 | Heat pump system and heat pump operation method | Takanori Shibata, Toshihiko Fukushima | 2011-06-28 |
| 7908861 | Heat energy supply system and method, and reconstruction method of the system | Kooichi Chino, Moriaki Tsukamoto, Toshihiko Fukushima | 2011-03-22 |
| 7861548 | Heat pump system and heat pump operation method | Takanori Shibata, Toshihiko Fukushima | 2011-01-04 |