Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10473359 | Fan and water heater provided with the same, and impeller and water heater provided with the same | Shuji Kameyama, Keigo Fukunishi | 2019-11-12 |
| 10473360 | Fan and water heater provided with the same, and impeller and water heater provided with the same | Shuji Kameyama, Keigo Fukunishi, Masaaki Takata, Yukio Yoshida, Tadashi Takewaka | 2019-11-12 |