Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12148760 | Drive substrate, manufacturing method thereof and display panel | Qian Ma | 2024-11-19 |
| 9804465 | Method for detecting defects of TFT array substrate | Kecheng Xie | 2017-10-31 |
| 6086273 | Braille label writer having stationary solenoid driven inscribing mechanism | — | 2000-07-11 |
| 5842867 | Graphic tactile cell | In-sik Lee, Akiyoshi Morita | 1998-12-01 |