Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10408549 | Heat exchanger, hot water apparatus, and method of manufacturing heat exchanger | Satoshi Yoshida, Akinobu Nakamura | 2019-09-10 |
| 10393404 | Heat exchanger and hot water apparatus | Masaki Kondo, Wataru Ooshita | 2019-08-27 |
| 10386092 | Water heater | Sakiko Kimura | 2019-08-20 |