Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149965 | Water heating system including multi-function heat source apparatus | Rena Kusachi, Naoki Tsuda, Keiichiro Iwanami, Hiroshi Morimoto, Akihisa KAGEYAMA +2 more | 2021-10-19 |
| 10969142 | Heating and hot water supply apparatus and method of controlling the same | Naoki Tsuda, Kenichi Nakayama | 2021-04-06 |