Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1089621 | Fan blade | Chin-Hung Lee, Chieh-Shih Chang, Jian Wu | 2025-08-19 |
| 12221975 | Impeller | Chin-Hung Lee, Chieh-Shih Chang, Ya-Ting Chang | 2025-02-11 |
| D1033620 | Fan | Chin-Hung Lee, Chieh-Shih Chang | 2024-07-02 |