Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209016 | Fan frame | Pei-Han Chiu | 2021-12-28 |
| 11199197 | Centrifugal fan | Shao-Ning Lee, Chih-Chung Chen, Shun-Chen Chang, Kuo-Tung Hsu | 2021-12-14 |
| 11162498 | Fan | Shun-Chen Chang | 2021-11-02 |
| 11078915 | Contra-rotating fan structure | Chien-Hung Chen, Chien-Chih Huang, Yueh-Lung Huang, Shun-Chen Chang | 2021-08-03 |
| 11053946 | Mixed-flow fan | Shun-Chen Chang, Shih-Di CHEN | 2021-07-06 |