Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12155256 | Fast charging driver | Edward Yi Chang, Stone Cheng, Wei-Hua Chieng, Chih-Chiang Wu | 2024-11-26 |
| 12088114 | Inductive resonant wireless charging system, resonant wireless charging transmitting device, wireless charging relay device and inductive wireless charging receiving device | Edward Yi Chang, Stone Cheng, Wei-Hua Chieng, Ching-Yao Liu, Li-Chuan Tang | 2024-09-10 |
| 11569696 | Control method of a minimum power input | Wei-Hua Chieng, Edward Yi Chang, Stone Cheng, Newton Tang, Chih-Chiang Wu +2 more | 2023-01-31 |
| 11387824 | Voltage-controlled varied frequency pulse width modulator | Wei-Hua Chieng, Edward Yi Chang, Stone Cheng, Li-Chuan Tang, Chih-Chiang Wu +3 more | 2022-07-12 |
| 9271328 | Communication system between electric bikes and communication method thereof | Yi Chang, Wei-Hua Chieng, Stone Cheng, Fu-Jen Hsu, Bin-Han Lue +2 more | 2016-02-23 |
| 8735713 | Sun-chasing device | You-Long Sie, Edward Yi Chang, Wei-Hua Chieng, Bin-Han Lue, Ming-Tsan Peng +3 more | 2014-05-27 |
| 8736349 | Current limit circuit apparatus | Tsung-Lin Chen, Edward Yi Chang, Wei-Hua Chieng, Stone Cheng, Shin-Wei Huang | 2014-05-27 |
| 8581638 | High-side driver circuit | Tsung-Lin Chen, Edward Yi Chang, Wei-Hua Chieng, Stone Cheng, Che-Wei Chang | 2013-11-12 |
| 8547712 | Power circuit and direct current to direct current converter thereof | Edward Yi Chang, Ming-Tsan Peng | 2013-10-01 |