Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D989340 | Skin care device | — | 2023-06-13 |
| D985135 | Skin care device | — | 2023-05-02 |
| D952850 | Ear cleaner | — | 2022-05-24 |
| D952150 | Ear pick | — | 2022-05-17 |
| D942009 | Ear pick | — | 2022-01-25 |
| D898207 | Skin care device | — | 2020-10-06 |
| 7058351 | Scanning device having a rotatable and length-adjustable hinge for coupling a cover with a scanning body | Ming Qian | 2006-06-06 |
| 6485011 | Paper feeding apparatus and driving method thereof for office machine | Wei-Feng Yen | 2002-11-26 |
| 6485015 | Automatic paper feeding system | Wei-Feng Yen | 2002-11-26 |
| 6382617 | Paper accommodating assembly for office machine | Wei-Feng Yen | 2002-05-07 |
| 6353968 | Single-button support mechanism | Der-Rong Shyu, Chien-Hsing Tang, Wei-Feng Yen | 2002-03-12 |