Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9593886 | Heat exchanger and heat pump device using the same | Isao Katou, Hirotaka Kado | 2017-03-14 |
| 9127868 | Heat exchanger and a heat pump using same | Yukio Yamaguchi, Hirotaka Kado | 2015-09-08 |