Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7357100 | Heat exchanger tube panel module, and method of constructing exhaust heat recovery boiler using the same | Isao Waseda, Atsuo Kawahara, Toshinori Shigenaka | 2008-04-15 |
| 7275503 | Heat transfer tube panel module and method of constructing exhaust heat recovery boiler using the module | Isao Waseda, Yuzuru Yoshimoto, Yoshiki Kitahashi, Toshinori Shigenaka, Toru Nishioka +2 more | 2007-10-02 |