Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563624 | Exhaust gas heat exchanger having stacked flat tubes | Etsuo Yamamoto | 2020-02-18 |
| 10260821 | Flat tube for header-plateless heat exchanger | Kazuo Maegawa, Masahito SEKIYA | 2019-04-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563624 | Exhaust gas heat exchanger having stacked flat tubes | Etsuo Yamamoto | 2020-02-18 |
| 10260821 | Flat tube for header-plateless heat exchanger | Kazuo Maegawa, Masahito SEKIYA | 2019-04-16 |