Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550855 | Axial flow fan | Toshikatsu Arai, Tomoya Fukui, Hitoshi Kikuchi, Tsutomu Takahashi | 2020-02-04 |
| 10208770 | Axial flow fan | Toshikatsu Arai, Hitoshi Kikuchi, Tsutomu Takahashi | 2019-02-19 |
| D812732 | Propeller fan | Tsutomu Takahashi, Toshikatsu Arai, Hitoshi Kikuchi, Hiromichi Aoki, Yuuya Kousaka | 2018-03-13 |
| D755947 | Propeller fan | Toshikatsu Arai, Hitoshi Kikuchi, Tsutomu Takahashi, Hiromichi Aoki, Tomoya Fukui | 2016-05-10 |
| D755945 | Propeller fan | Toshikatsu Arai, Hitoshi Kikuchi, Tsutomu Takahashi, Hiromichi Aoki, Tomoya Fukui | 2016-05-10 |
| D755946 | Propeller fan | Toshikatsu Arai, Hitoshi Kikuchi, Tsutomu Takahashi, Hiromichi Aoki, Tomoya Fukui | 2016-05-10 |
| D750211 | Propeller fan | Toshikatsu Arai, Hitoshi Kikuchi, Tsutomu Takahashi, Hiromichi Aoki, Tomoya Fukui | 2016-02-23 |