Chandra Vaidyanathan — 34 Patents at Ipr Licensing

Chandra Vaidyanathan has been granted 34 US patents while listed as an inventor at Ipr Licensing. The first was granted in 2004 and the most recent in July 2025. Chandra Vaidyanathan ranks #100,737 of 4,157,543 US inventors in our database (top 2.4%). Patent records list Chandra Vaidyanathan in Rockville, MD, US.

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12375877	Wireless room occupancy monitor	Gary L. Sugar, Yohannes Tesfai, Neil R. Diener	2025-07-29
11586870	Usage, condition and location tag and system	Gary L. Sugar, Neil R. Diener, Yohannes Tesfai	2023-02-21
11138485	Usage, condition and location tag and system	Gary L. Sugar, Neil R. Diener, Yohannes Tesfai	2021-10-05
RE47732	System and method for antenna diversity using equal power joint maximal ratio combining	Gary L. Sugar	2019-11-19
RE46750	System and method for antenna diversity using equal power joint maximal ratio combining	Gary L. Sugar	2018-03-06
9014172	High resolution wireless indoor positioning system for legacy standards-based narrowband mobile radios	Gary L. Sugar, Yohannes Tesfai	2015-04-21
RE45425	System and method for antenna diversity using equal power joint maximal ratio combining	Gary L. Sugar	2015-03-17
8861629	Power allocation of spatial streams in MIMO wireless communication system	Paul J. Stager, Gary L. Sugar, Matthew A. Silverman, Zhigang Gao	2014-10-14	$26,392,000
8687560	Unsynchronized time-of-flight-based wireless positioning system using network broadcasts	Gary L. Sugar, Yohannes Tesfai	2014-04-01
8676144	Adaptive interference nulling for MIMO receiver based on interference characteristics	Li Guo, Hang Jin, Paul J. Stager, Neil R. Diener, Matthew A. Silverman	2014-03-18	$20,737,000
8265011	High resolution wireless indoor positioning system for legacy standards-based narrowband mobile radios	Gary L. Sugar, Yohannes Tesfai	2012-09-11
8179816	System and method for high resolution indoor positioning using a narrowband RF transceiver	Gary L. Sugar, Yohannes Tesfai	2012-05-15
8111783	Capturing and using radio events	David Kloper, Yohannes Tesfai	2012-02-07	$30,931,000
8086199	Sharing AGC loop between demodulator and spectrum analysis system	David Kloper, Yohannes Tesfai	2011-12-27	$23,946,000
7899414	Control of power amplifiers in devices using transmit beamforming	Gary L. Sugar, Sifen Luo	2011-03-01
7881674	System and method for antenna diversity using equal power joint maximal ratio combining	Gary L. Sugar	2011-02-01
7573945	System and method for joint maximal ratio combining using time-domain based signal processing	Yohannes Tesfai, Gary L. Sugar	2009-08-11
7570921	Systems and methods for improving range for multicast wireless communication	Gary L. Sugar	2009-08-04
7565117	Control of power amplifiers in devices using transmit beamforming	Gary L. Sugar, Sifen Lou	2009-07-21
7545778	Apparatus for antenna diversity using joint maximal ratio combining	Gary L. Sugar, Yohannes Tesfai	2009-06-09
7308287	Compensation techniques for group delay effects in transmit beamforming radio communication	—	2007-12-11
7245881	System and method for antenna diversity using equal power joint maximal ratio combining	Gary L. Sugar	2007-07-17
7236750	Techniques for correcting for phase and amplitude offsets in a MIMO radio device	Gary L. Sugar	2007-06-26
7194237	System and method for multiple-input multiple-output (MIMO) radio communication	Gary L. Sugar	2007-03-20
7099678	System and method for transmit weight computation for vector beamforming radio communication	—	2006-08-29

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Chandra Vaidyanathan — 34 Patents

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