Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10337763 | Water heating system | Shinichi Okamoto | 2019-07-02 |
| 10240818 | Water heating system | Shinichi Okamoto | 2019-03-26 |
| 10168047 | Water heating apparatus and system having a scale detecting function | Isao Satoh, Yuiko Yano, Yuki Maeshima | 2019-01-01 |