Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |