Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11933521 | Hot water supply device | Hideyuki Okada, Kenta Yamanishi, Hisataka Hayase, Kazuhiro Nishimura | 2024-03-19 |
| 10634348 | Combustion apparatus overheating device | Yasushi Kashihara, Kengo Horiuchi | 2020-04-28 |
| 10571123 | Air supply and exhaust adapter for combustion apparatus | Hideki Yamaguchi, Masaki Sugatani | 2020-02-25 |
| 10088197 | Water heating apparatus and water heating system | Yu FUJIMOTO, Shota Mizuno, Ryo Hasegawa, Yoshihiro Nunotani, Akira Iwasaki | 2018-10-02 |