Issued Patents All Time
Showing 76–98 of 98 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9389270 | Method of locating a fault in a power distribution system comprising at least one distributed resource having a controllable voltage source converter | Passinam Tatcho, Mischa Steurer | 2016-07-12 |
| 9389267 | System for locating a fault in a power distribution system comprising at least one wind turbine distributed resource | Passinam Tatcho, Mischa Steurer | 2016-07-12 |
| 9362924 | Method and apparatus for fast frequency acquisition in PLL system | Changxi Xu | 2016-06-07 |
| 9343094 | Data storage device filtering burst correction values before downsampling the burst correction values | Kun Ma, Jianyi Wang, Wai Ee Wong, Guoxiao Guo | 2016-05-17 |
| 9331583 | Switch mode power supply, control circuit and associated control method | Junming Zhang, Hao Long | 2016-05-03 |
| 9274161 | Voltage profile based fault location identification system and method of use | Passinam Tatcho, Mischa Steurer | 2016-03-01 |
| 9207208 | Asymmetric waveform pulse generator and FAIMS ion detector employing same | Qishui Zhong, Dajin Chen, Baihua Li | 2015-12-08 |
| 9121199 | Electronic combination lock | — | 2015-09-01 |
| 9124136 | System and method for single-phase, single-stage grid-interactive inverter | Liming Liu | 2015-09-01 |
| 9111575 | Data storage device employing adaptive feed-forward control in timing loop to compensate for vibration | Jianguo Zhou, Wei Xi, Guoxiao Guo | 2015-08-18 |
| 8970979 | Disk drive determining frequency response of actuator near servo sample frequency | Qing Jia, Shuyu Cao, Guoxiao Guo, Jie Yu | 2015-03-03 |
| 8711585 | High-frequency-link power-conversion system having direct double-frequency ripple current control and method of use | Xiaohu Liu | 2014-04-29 |
| 8694756 | Starting other processing elements (OPEs) responsive to a determination that currently-running OPEs are inadequate to invoke a library for a multi-library application | Hong Bo Peng, Bai Wang | 2014-04-08 |
| 8543626 | Method and apparatus for QR-factorizing matrix on a multiprocessor system | Bai Wang | 2013-09-24 |
| 8296350 | Method and apparatus for QR-factorizing matrix on multiprocessor system | Bai Wang | 2012-10-23 |
| 8063602 | Stochastic anti-windup proportional-integral (PI) controller | Da Zhang, Emmanuel Collins | 2011-11-22 |
| 7830687 | Adaptive power electronics interface for hybrid energy systems | Zhong Du | 2010-11-09 |
| 7476865 | Radioactive decay based stable time or frequency reference signal source | Amit Lal, Hang Guo, Shankar Radhakrishnan | 2009-01-13 |
| 7301254 | High efficiency radio isotope energy converters using both charge and kinetic energy of emitted particles | Amit Lal, Rajesh Duggirala | 2007-11-27 |
| 6479920 | Direct charge radioisotope activation and power generation | Amit Lal, James P. Blanchard, Douglass L. Henderson | 2002-11-12 |
| 6429611 | Rotary and linear motor | — | 2002-08-06 |
| 6334583 | Planetary high-energy ball mill and a milling method | — | 2002-01-01 |
| 6301137 | Three-phase current sensor and estimator | — | 2001-10-09 |