Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570919 | Centrifugal fan and ventilation fan | Keijiro Yamaguchi, Kazuki Okamoto, Takahiro Kosaki | 2020-02-25 |
| 10550855 | Axial flow fan | Toshikatsu Arai, Tomoya Fukui, Tsutomu Takahashi, Tatsushi Murakami | 2020-02-04 |
| 10533896 | Heat treatment apparatus and temperature control method | Kazuteru Obara, Koji Yoshii, Yuki Wada | 2020-01-14 |