Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454421 | Heat exchanger and water heating apparatus | — | 2022-09-27 |
| 11441814 | Water heating device | Masaki Kondo | 2022-09-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454421 | Heat exchanger and water heating apparatus | — | 2022-09-27 |
| 11441814 | Water heating device | Masaki Kondo | 2022-09-13 |