Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276421 | Collective exhaust system | Atsushi Ushio | 2025-04-15 |
| 11946643 | Combustion apparatus | — | 2024-04-02 |
| 11639813 | Water heating apparatus and water heating system | Atsushi Ushio | 2023-05-02 |
| 11408643 | Water heating apparatus with immediate hot water supply function and water heating system | — | 2022-08-09 |
| 11391469 | Hot-water supply device | Atsushi Ushio, Ryo Takahashi | 2022-07-19 |
| 11378283 | Hot water supply device | Atsushi Ushio | 2022-07-05 |
| 10605453 | Conduit and hot water supply system | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Yasuhide Sato, Kiyomi Kanamoto +2 more | 2020-03-31 |
| 10337735 | Exhaust tube holding member, exhaust structure for combustion apparatus, and method for installing exhaust structure for combustion apparatus | — | 2019-07-02 |
| 10295180 | Exhaust tube holding member and exhaust structure for combustion | — | 2019-05-21 |
| 10295181 | Exhaust connection structure and combustion apparatus with exhaust connection structure | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-05-21 |
| D847309 | Pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-04-30 |
| D845449 | Pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-04-09 |
| D832409 | Pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-10-30 |
| D828524 | Packing for pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-09-11 |
| D823442 | Cap for pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-07-17 |
| 10012383 | Exhaust structure for water heater | Akira Iwasaki | 2018-07-03 |
| D816196 | Exhaust pipe for water heater | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-04-24 |
| D679790 | Water heater | Jun Doi, Hiroaki Tanaka, Tetsunori Kuriyama, Kengo Horiuchi, Eiji Kanki | 2013-04-09 |