Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149965 | Water heating system including multi-function heat source apparatus | Yoshifumi Atobe, Naoki Tsuda, Keiichiro Iwanami, Hiroshi Morimoto, Akihisa KAGEYAMA +2 more | 2021-10-19 |
| 9879859 | Combustion apparatus supplying combustion air via suction type fan and method for controlling the same | Daisuke Konishi, Kenichi Nakayama | 2018-01-30 |
| 9557076 | Hot water supply apparatus and control method thereof | Yuki Maeshima, Hiroki Nabeshima, Kenichi Nakayama | 2017-01-31 |
| 9507354 | Hot water supply apparatus and control method thereof | Kenichi Nakayama, Hiroki Nabeshima, Yuki Maeshima | 2016-11-29 |