Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10168047 | Water heating apparatus and system having a scale detecting function | Isao Satoh, Takao Muko, Yuiko Yano | 2019-01-01 |
| 9557076 | Hot water supply apparatus and control method thereof | Rena Kusachi, Hiroki Nabeshima, Kenichi Nakayama | 2017-01-31 |
| 9507354 | Hot water supply apparatus and control method thereof | Rena Kusachi, Kenichi Nakayama, Hiroki Nabeshima | 2016-11-29 |