Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9933185 | 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 | 2018-04-03 |