Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092253 | Air supply duct for fan and combustion device including the same | — | 2024-09-17 |
| 11512871 | Water heater | Hiroki Hasegawa, Takashi Akiyama, Koji Ota, Ryosuke Umakoshi | 2022-11-29 |
| 10473360 | Fan and water heater provided with the same, and impeller and water heater provided with the same | Shuji Kameyama, Mitsuo Nomura, Masaaki Takata, Yukio Yoshida, Tadashi Takewaka | 2019-11-12 |
| 10473359 | Fan and water heater provided with the same, and impeller and water heater provided with the same | Shuji Kameyama, Mitsuo Nomura | 2019-11-12 |
| 10072842 | Water heater | Shuji Kameyama, Yasutaka Kuriyama, Norihide Wada, Tatsuya KARAKI | 2018-09-11 |
| 9933185 | Fan and water heater provided with the same, and impeller and water heater provided with the same | Shuji Kameyama, Mitsuo Nomura, Masaaki Takata, Yukio Yoshida, Tadashi Takewaka | 2018-04-03 |
| 9869489 | Fan assembly and water heater | Shuji Kameyama, Tatsuya KARAKI | 2018-01-16 |
| 9746204 | Water heater | Hironao Matsunaga, Shuji Kameyama, Norihide Wada | 2017-08-29 |
| 9513030 | Water heater | Tatsuya KARAKI, Yasutaka Kuriyama, Norihide Wada, Shuji Kameyama | 2016-12-06 |
| 9228742 | Rich-lean combustion burner and combustion apparatus | Takashi Akiyama, Takeshi Wakada, Toshio Watanabe, Itsuo Nagai, Yasutaka Kuriyama +2 more | 2016-01-05 |
| 9115889 | Rich-lean combustion burner and combustion apparatus | Takeshi Wakada, Toshio Watanabe, Takashi Akiyama, Yasutaka Kuriyama, Itsuo Nagai +2 more | 2015-08-25 |