Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D832409 | Pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto +1 more | 2018-10-30 |
| D828524 | Packing for pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto +1 more | 2018-09-11 |
| D823442 | Cap for pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto +1 more | 2018-07-17 |
| D816820 | Exhaust pipe for water heater | Kiyomi Kanamoto, Hirokazu Kawamura | 2018-05-01 |
| D816196 | Exhaust pipe for water heater | Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Kiyomi Kanamoto +1 more | 2018-04-24 |