Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12322418 | Vinyl record player automatic stop and lift tonearm structure | Hsi-Ping Wang, Chang Lu | 2025-06-03 |
| 11594245 | Bifunctional turntable | Chang Lu | 2023-02-28 |
| 11217271 | Control system for fully automatic turntable | Ying-Chao Tseng | 2022-01-04 |
| 10290316 | Detection system of vinyl record player for detecting end of playback | Tse-Ming Lan | 2019-05-14 |
| 9997175 | Electric arm lifting and turntable's auto-stop assembly of record player | Hsi-Ping Wang | 2018-06-12 |