Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |