Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12250487 | Image readout device | Chao-Yu Meng, Yueh-Ru Lee | 2025-03-11 |
| 10700674 | Differential comparator circuit | Chao-Yu Meng | 2020-06-30 |
| 6142899 | Electro-motive gear-shift control apparatus for bicycles | Cheng Liu, Chih-Wen Chang, Ching-Huan Tseng | 2000-11-07 |
| 6080073 | Electric auxiliary apparatus for bicycle | Ching-Wen Liu, Yann-Jy Yang, Caesar Chen | 2000-06-27 |
| 5921363 | Free wheel rotary body structure of a bicycle | Chung-Ping Chiang, Chang-Dau Yan, Yuh-Ming Hwang | 1999-07-13 |
| 5876296 | Gear shifting sprocket set for bicycle chain wheel | Jung-Ping Chiang, Chang-Dau Yan | 1999-03-02 |
| 5876159 | Sprocket trimming method for the multi-stage sprocket assembly | Ching-Huan Tseng, Chwan-Cherng Wang, Chung-Biau Tsay, Chung-Ping Chiang | 1999-03-02 |
| 5816966 | Bicycle front deraileur with a smooth gear switching mechanism | Yann-Jy Yang, Kwang-Shyan Ho, Ching-Huan Tseng, Ying Chen | 1998-10-06 |
| 5733215 | Multi-speed sprocket assembly of a bicycle | Jung-Ping Chiang | 1998-03-31 |