Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1066342 | Stylus | James Chu, Rong-June Lee, Shi Yian Lee, Chien-Chia Lien | 2025-03-11 |
| 11789570 | Active stylus | Chien-Chia Lien | 2023-10-17 |
| 11693495 | Active stylus | Chien-Chia Lien | 2023-07-04 |
| 7852188 | Transformer | — | 2010-12-14 |
| 7605544 | Current balancing circuit | Masakazu Ushijima, Wan-Lu Lin, Te-Min Liu, Chien-Fu Ho | 2009-10-20 |
| 7474064 | Lamp driving circuit for a discharge lamp and a control method thereof | Masakazu Ushijima | 2009-01-06 |