Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12299197 | Touch device | Cao Jin, Wei Xin, Lv Bing | 2025-05-13 |
| 12235174 | Pressure sensor | Sun Kun | 2025-02-25 |
| 12224133 | Switch mechanism | Zhang Chuanyang, Zhang Heng, Li Zefeng | 2025-02-11 |
| 12097692 | Electronic device comprising a pressure sensor | Cao Jin, Sun Kun, Wei Xin | 2024-09-24 |
| 12032749 | Electronic keyboard | Lv Bing, You Dawei, Cao Jin | 2024-07-09 |
| 11909390 | Button structure | You Dawei, Li Zefeng, Cao Jin | 2024-02-20 |
| 11868554 | Pressure sensor | Cao Jin, Sun Kun, Wei Xin | 2024-01-09 |
| 5402210 | Dynamic developer bias control for use in an electrostatographic printing machine | Lawrence M. Hart, Ding Ya-Jun | 1995-03-28 |
| 5400122 | Non-linear selectively variable copy contrast adjustment device | Thomas F. Szlucha, Ding Ya-Jun | 1995-03-21 |