Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9773190 | Precision calibration method for high-precise rotary encoder | Yi-Yuh Hwang, Guang-Sheen Liu, Wei-Guo Chang, Chih-Ming Liao | 2017-09-26 |
| 9671218 | Device and method of quick subpixel absolute positioning | Yi-Yuh Hwang, Wei-Guo Chang, Guang-Sheen Liu, Wen-Jen Lin, Ping-Ya Ko | 2017-06-06 |
| 8605294 | Actuating apparatus, actuating system and method for actuating a working stage to move relative to a platform with high-precision positioning capability | Yi-Yuh Hwang, Chih-Ming Liao, Ting-Wei Chiang, Wei-Guo Chang, Wen-Cheng Huang | 2013-12-10 |
| 8144339 | Method and system for positioning by using optical speckle | Yi-Yuh Hwang, Chih-Ming Liao, Shin-I Ma, Ting-Wei Chiang, Chun-Hao Chen +2 more | 2012-03-27 |
| 8125449 | Movable touchpad with high sensitivity | Chih-Ming Liao, Ting-Wei Chiang, Chun-Hao Chen, Yi-Yuh Hwang, Shin-I Ma +2 more | 2012-02-28 |
| 7715016 | Image invariant optical speckle capturing device and method | Yi-Yuh Hwang, Ming Chen, Shin-I Ma, Mau-Ran Wang, Wen-Chen Huang | 2010-05-11 |
| 7593113 | Large areas undistorted imaging apparatus for light speckles and method thereof | Yi-Yuh Hwang, Ming Chen, Mau-Ran Wang, Wen-Chen Huang, Shin-I Ma +1 more | 2009-09-22 |