Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704931 | Optical detecting device capable of determining shift of a multi-axis instruction outputting mechanism | Chung-Ting Yang, Yen-Min Chang | 2020-07-07 |
| 10564734 | Pen mouse with a tracing compensation function | Ching-Lin Chung | 2020-02-18 |