Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10393404 | Heat exchanger and hot water apparatus | Masaki Kondo, Takeshi Oohigashi | 2019-08-27 |
| 10352630 | Heat exchanger and hot water apparatus | Masaya Tateyama, Yukiko NOGUCHI | 2019-07-16 |
| 10295222 | Hot water apparatus | — | 2019-05-21 |