Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605453 | Conduit and hot water supply system | Masaki Sugatani, Hironao Matsunaga, Takahide Hasegawa, Yasuhide Sato, Kiyomi Kanamoto +2 more | 2020-03-31 |
| 10415827 | Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter | Koji Shimomura | 2019-09-17 |
| 10295181 | Exhaust connection structure and combustion apparatus with exhaust connection structure | Masaki Sugatani, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-05-21 |
| D847309 | Pipe adapter for water heater | Masaki Sugatani, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-04-30 |
| D845449 | Pipe adapter for water heater | Masaki Sugatani, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-04-09 |
| D832409 | Pipe adapter for water heater | Masaki Sugatani, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-10-30 |
| 10071474 | Cutting guide and method of installing exhaust tube | Masaki Sugatani | 2018-09-11 |
| D828524 | Packing for pipe adapter for water heater | Masaki Sugatani, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-09-11 |
| D823442 | Cap for pipe adapter for water heater | Masaki Sugatani, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-07-17 |
| 9989252 | Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter | Koji Shimomura | 2018-06-05 |
| D816196 | Exhaust pipe for water heater | Masaki Sugatani, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-04-24 |
| 9890952 | Exhaust structure for combustion apparatus and construction method thereof | Armando Morales | 2018-02-13 |
| D784228 | Exhaust adapter | — | 2017-04-18 |
| D784229 | Exhaust adapter | — | 2017-04-18 |
| D751479 | Exhaust adapter | — | 2016-03-15 |
| D483844 | Gas water heater | Nobuyuki Yamamoto, Hideki Yamaguchi, Masanori Higashiuchi, Teizo Nanbu | 2003-12-16 |
| D483452 | Gas water heater | Nobuyuki Yamamoto, Hideki Yamaguchi, Masanori Higashiuchi, Teizo Nanbu | 2003-12-09 |
| D483451 | Gas water heater | Nobuyuki Yamamoto, Hideki Yamaguchi, Masanori Higashiuchi, Teizo Nanbu | 2003-12-09 |
| D483453 | Gas water heater | Nobuyuki Yamamoto, Hideki Yamaguchi, Masanori Higashiuchi, Teizo Nanbu | 2003-12-09 |