Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D917031 | Heat exchanger for water heater | Masaki Kondo, Norihide Wada | 2021-04-20 |
| D916258 | Heat exchanger for water heater | Masaki Kondo, Norihide Wada | 2021-04-13 |
| D916257 | Heat exchanger for water heater | Masaki Kondo, Norihide Wada | 2021-04-13 |
| D904589 | Heat exchanger for water heater | Masaki Kondo, Norihide Wada | 2020-12-08 |
| D904587 | Heat exchanger for water heater | Masaki Kondo, Norihide Wada | 2020-12-08 |
| D904588 | Heat exchanger for water heater | Masaki Kondo, Norihide Wada | 2020-12-08 |
| 10816222 | Hot water apparatus with flanged connections | Wataru Ooshita | 2020-10-27 |
| 10408549 | Heat exchanger, hot water apparatus, and method of manufacturing heat exchanger | Satoshi Yoshida, Akinobu Nakamura | 2019-09-10 |
| 10393404 | Heat exchanger and hot water apparatus | Masaki Kondo, Wataru Ooshita | 2019-08-27 |
| 10386092 | Water heater | Sakiko Kimura | 2019-08-20 |
| 10094589 | Fin-and-tube type heat exchanger and water heater including the same | Nobuhiro Takeda, Masaki Kondo, Wataru Ooshita, Kosuke Ichiyama, Yukiko NOGUCHI | 2018-10-09 |
| 9829204 | Water heater including heat exchanger | Makoto Hirotsu, Yukiko NOGUCHI | 2017-11-28 |
| 9829257 | Heat exchanger and water heater | — | 2017-11-28 |
| 9404670 | Water heater | Sakiko Kimura, Yasutaka Kuriyama, Shuji Kameyama | 2016-08-02 |