Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11890256 | Active rollator | Cheng-Hsing Liu, Jia-Hung Lee | 2024-02-06 |
| 10864134 | Linkage mechanism and walking aid device | Chen-Yi Liang, Ming-Ju Hsieh, Cheng-Hsing Liu | 2020-12-15 |
| 10783645 | Apparatuses, methods, and storage medium for preventing a person from taking a dangerous selfie | Chen-Yi Liang, Cheng-Lan Lee | 2020-09-22 |