Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10781819 | Fan device with impeller having circular plate opening, sidewall opening and groove connecting the circular plate opening with the sidewall opening for efficiently cooling motor | Jiro Watanabe, Akira Nakayama | 2020-09-22 |