Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619887 | Instantaneous hot water circulation unit with scale cleaning function | Masaki Sugatani, Yu FUJIMOTO, Tomofumi Kinugasa, Hiromi Yamanishi | 2020-04-14 |
| 10088197 | Water heating apparatus and water heating system | Toshihiko Hamagami, Yu FUJIMOTO, Shota Mizuno, Ryo Hasegawa, Akira Iwasaki | 2018-10-02 |