Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619887 | Instantaneous hot water circulation unit with scale cleaning function | Yu FUJIMOTO, Tomofumi Kinugasa, Hiromi Yamanishi, Yoshihiro Nunotani | 2020-04-14 |
| 10605453 | Conduit and hot water supply system | Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Yasuhide Sato, Kiyomi Kanamoto +2 more | 2020-03-31 |
| 10605454 | Exhaust structure for combustion apparatus | Hironao Matsunaga | 2020-03-31 |
| 10571123 | Air supply and exhaust adapter for combustion apparatus | Hideki Yamaguchi, Toshihiko Hamagami | 2020-02-25 |