Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908861 | Heat energy supply system and method, and reconstruction method of the system | Moriaki Tsukamoto, Toshihiko Fukushima, Shigeo Hatamiya | 2011-03-22 |
| 7669418 | Heat energy supply system and method, and reconstruction method of the system | Moriaki Tsukamoto, Toshihiko Fukushima, Shigeo Hatamiya | 2010-03-02 |