Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10365014 | Heat exchanger and combustion device | Hidekatsu Naruse | 2019-07-30 |
| 10295281 | Fin-tube type of heat exchanger | Kei Kasamatsu | 2019-05-21 |
| 10254053 | Heat transfer fin and heat exchanger using thereof | Hideo Okamoto | 2019-04-09 |