Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204128 | Wall fixing bracket and heat source apparatus unit | — | 2021-12-21 |
| 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 |
| 10436443 | Closing member and exhaust structure for combustion apparatus | — | 2019-10-08 |
| D854669 | Filter housing for a water heater | Hideki Yamaguchi | 2019-07-23 |
| 10295181 | Exhaust connection structure and combustion apparatus with exhaust connection structure | Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-05-21 |
| D847309 | Pipe adapter for water heater | Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-04-30 |
| D845449 | Pipe adapter for water heater | Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-04-09 |
| D832409 | Pipe adapter for water heater | Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-10-30 |
| 10071474 | Cutting guide and method of installing exhaust tube | Takanori Nagano | 2018-09-11 |
| D828524 | Packing for pipe adapter for water heater | Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-09-11 |
| D823442 | Cap for pipe adapter for water heater | Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-07-17 |
| D816196 | Exhaust pipe for water heater | Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-04-24 |
| 9896847 | Method of installing exhaust tube | — | 2018-02-20 |
| 9341368 | Method of installing exhaust tube | Hironao Matsunaga | 2016-05-17 |