Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8887795 | Heat exchanger and water heater including the same | Masayuki Toda, Akira Kumagai | 2014-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8887795 | Heat exchanger and water heater including the same | Masayuki Toda, Akira Kumagai | 2014-11-18 |