Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816222 | Hot water apparatus with flanged connections | Takeshi Oohigashi | 2020-10-27 |
| 10393404 | Heat exchanger and hot water apparatus | Masaki Kondo, Takeshi Oohigashi | 2019-08-27 |
| 10352630 | Heat exchanger and hot water apparatus | Masaya Tateyama, Yukiko NOGUCHI | 2019-07-16 |
| 10295222 | Hot water apparatus | — | 2019-05-21 |
| 10094589 | Fin-and-tube type heat exchanger and water heater including the same | Takeshi Oohigashi, Nobuhiro Takeda, Masaki Kondo, Kosuke Ichiyama, Yukiko NOGUCHI | 2018-10-09 |