Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10171115 | Outphasing calibration in a radio frequency (RF) transmitter device | Farid Shirinfar, Ahmadreza Rofougaran, Sam Gharavi, Michael Boers, Seunghwan Yoon +3 more | 2019-01-01 |
| 10142006 | Amplitude and phase calibration at a receiver chip in an antenna array | Ahmadreza Rofougaran, Michael Boers, Seunghwan Yoon, Sam Gharavi, Donghyup Shin +3 more | 2018-11-27 |
| 9935663 | Low-loss isolating outphasing power combiner in a radio frequency device | Ahmadreza Rofougaran, Sam Gharavi, Farid Shirinfar, Michael Boers, Seunghwan Yoon +3 more | 2018-04-03 |
| 9887760 | Amplitude and phase calibration at a receiver chip in an antenna array | Ahmadreza Rofougaran, Michael Boers, Seunghwan Yoon, Sam Gharavi, Donghyup Shin +3 more | 2018-02-06 |
| 7898345 | Method of frequency synthesis for fast switching | — | 2011-03-01 |
| 7482885 | Method of frequency synthesis for fast switching | — | 2009-01-27 |
| 7151011 | Integrated circuit die having an interference shield | Guruswami Sridharan | 2006-12-19 |
| 6937668 | Method of and apparatus for performing modulation | Guruswami Sridharan | 2005-08-30 |
| 6831911 | System and method for receiving and processing GPS and wireless signals | Guruswami Sridharan | 2004-12-14 |
| 6570452 | Fractional-N type frequency synthesizer | — | 2003-05-27 |
| 6549078 | Method and system for directly modulating a voltage controlled oscillator for use in frequency/phase modulated systems | Guruswami Sridharan | 2003-04-15 |
| 6486534 | Integrated circuit die having an interference shield | Guruswami Sridharan | 2002-11-26 |