Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11940645 | Front light module and front light guide plate of high-contrast structure | Yu-Shan Shen, Yen-Lung Chen | 2024-03-26 |
| 7322765 | Stick container | Tsung-Yuan Tu | 2008-01-29 |
| 5899621 | Lipstick swivel mechanism with brake function | — | 1999-05-04 |
| 5813421 | Lipstick swivel mechanism | — | 1998-09-29 |
| D306220 | Lipstick container | — | 1990-02-20 |