Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605453 | Conduit and hot water supply system | Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Yasuhide Sato, Kiyomi Kanamoto +2 more | 2020-03-31 |
| 10605454 | Exhaust structure for combustion apparatus | Masaki Sugatani | 2020-03-31 |
| 10571152 | Reverse combustion type combustion apparatus | Eiji Kanki | 2020-02-25 |