Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7981254 | Heat pump system, operation procedure therefor and evaporator system | Tadaharu Kishibe, Susumu Nakano | 2011-07-19 |
| 7966840 | Heat pump system and heat pump operation method | Shigeo Hatamiya, Toshihiko Fukushima | 2011-06-28 |
| 7861548 | Heat pump system and heat pump operation method | Shigeo Hatamiya, Toshihiko Fukushima | 2011-01-04 |