Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12228598 | System and method of measuring capacitance of device-under-test | Ruey-Bin Sheen, Chih-Hsien Chang | 2025-02-18 |
| 12149264 | Loop gain auto calibration using loop gain detector | Ya-Tin Chang, Ruey-Bin Sheen, Chih-Hsien Chang | 2024-11-19 |
| 11984901 | Compensation circuit and method for frequency divider circuit | Chih-Hsien Chang, Ruey-Bin Sheen | 2024-05-14 |
| 11689214 | Loop gain auto calibration using loop gain detector | Ya-Tin Chang, Ruey-Bin Sheen, Chih-Hsien Chang | 2023-06-27 |
| 11664793 | Method and apparatus for precision phase skew generation | Ya-Tin Chang, Ruey-Bin Sheen, Chih-Hsien Chang | 2023-05-30 |
| 11555851 | Built-in self test circuit for measuring phase noise of a phase locked loop | Ya-Tin Chang, Ruey-Bin Sheen, Chih-Hsien Chang | 2023-01-17 |
| 11555842 | Apparatus, system and method for phase noise measurement | Chih-Hsien Chang, Ruey-Bin Sheen, Ya-Tin Chang | 2023-01-17 |
| 11374584 | Frequency divider circuit, and method for frequency divider circuit | Ruey-Bin Sheen, Chih-Hsien Chang | 2022-06-28 |
| 11356115 | Loop gain auto calibration using loop gain detector | Ya-Tin Chang, Ruey-Bin Sheen, Chih-Hsien Chang | 2022-06-07 |
| 11333708 | Built-in self test circuit for measuring phase noise of a phase locked loop | Ya-Tin Chang, Ruey-Bin Sheen, Chih-Hsien Chang | 2022-05-17 |
| 11228304 | Method and apparatus for precision phase skew generation | Ya-Tin Chang, Ruey-Bin Sheen, Chih-Hsien Chang | 2022-01-18 |
| 10965293 | Voltage controlled delay line gain calibration | Ya-Tin Chang, Chih-Hsien Chang, Ruey-Bin Sheen | 2021-03-30 |
| 10928447 | Built-in self test circuit for measuring phase noise of a phase locked loop | Ya-Tin Chang, Ruey-Bin Sheen, Chih-Hsien Chang | 2021-02-23 |
| 10924125 | Frequency divider circuit, method and compensation circuit for frequency divider circuit | Chih-Hsien Chang, Ruey-Bin Sheen | 2021-02-16 |
| 10868562 | Loop gain auto calibration using loop gain detector | Ya-Tin Chang, Ruey-Bin Sheen, Chih-Hsien Chang | 2020-12-15 |
| 10848138 | Method and apparatus for precision phase skew generation | Ya-Tin Chang, Ruey-Bin Sheen, Chih-Hsien Chang | 2020-11-24 |
| 9966963 | Frequency synthesizer | Chih-Chiang Chang, Chung-Chieh Yang | 2018-05-08 |
| 9503103 | Phase locked loop with a frequency multiplier and method of configuring the phase locked loop | — | 2016-11-22 |
| 9250612 | System and method for a time-to-digital converter | Jinn-Yeh Chien | 2016-02-02 |
| 9148135 | Real time automatic and background calibration at embedded duty cycle correlation | Matt Li, Tsung-Hsien Tsai, Min-Shueh Yuan, Chih-Hsien Chang | 2015-09-29 |
| 9112507 | Phase-locked loop start up circuit | Chien-Hung Chen, Tsung-Hsien Tsai | 2015-08-18 |
| 9054686 | Delay path selection for digital control oscillator | — | 2015-06-09 |
| 8692602 | Method and apparatus of digital control delay line | — | 2014-04-08 |
| 8519765 | Method and apparatus for signal phase calibration | Min-Shueh Yuan, Chih-Hsien Chang | 2013-08-27 |
| 7791420 | Phase-locked loop with start-up circuit | Chien-Hung Chen, Tsung-Hsien Tsai, Min-Shueh Yuan | 2010-09-07 |