Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D936024 | Control box | — | 2021-11-16 |
| 11161223 | Socket positioning device of ratchet wrench | — | 2021-11-02 |
| 11154967 | Ratchet wrench | — | 2021-10-26 |
| D923068 | Electric cylinder | — | 2021-06-22 |
| 11029571 | Display panel | Cheng-Hung Ko, Yu-Sen Chang, Chia-Heng Chen, Hsiao-Chun Chen, You-Ying Lin +1 more | 2021-06-08 |
| 10971047 | Device substrate | Chia-Heng Chen, Ping-Hung Shih, Wei-Chieh Sun, Peng-Che Tai, Jhih-Ci Chen | 2021-04-06 |