Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11366406 | Reflective toner level detector with relative rotating and cleaning | Shao-Lan Sheng, Sung-Po Cheng, Hsiang-Yun Cheng | 2022-06-21 |
| 10983454 | Reflective toner level detector with relative rotating and cleaning | Shao-Lan Sheng, Sung-Po Cheng, Hsiang-Yun Cheng | 2021-04-20 |