Hui Chao has been granted 85 US patents while listed as an inventor at Qualcomm . The first was granted in 2000 and the most recent in October 2023. Hui Chao ranks #20,018 of 4,157,543 US inventors in our database (top 0.48%). Patent records list Hui Chao in San Jose, CA, US.
Patents per Year Patents granted per year, 2000 to 2023 Bar chart with a peak of 18 patents in 2016. peak 18 2000: 3 patents 2000 2001: 15 patents 2002: 3 patents 2002 2003: 2 patents 2004: 2 patents 2004 2005: 1 patents 2013: 1 patents 2013 2014: 1 patents 2015: 17 patents 2015 2016: 18 patents 2017: 5 patents 2017 2018: 7 patents 2019: 7 patents 2019 2020: 2 patents 2023: 1 patents 2023 Issued Patents All Time
Showing 51–75 of 85 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9081079 Adaptive updating of indoor navigation assistance data for use by a mobile device Saumitra Mohan Das , Rajarshi Gupta , Behrooz Khorashadi , Vinay Sridhara , Payam Pakzad 2015-07-14
$5,057,000
9080882 Visual OCR for positioning Rajarshi Gupta , Saumitra Mohan Das 2015-07-14
$5,057,000
9058702 Method for securely delivering indoor positioning data and applications Jiajian Chen , Saumitra Mohan Das , Ayman Fawzy Naguib 2015-06-16
$16,814,000
9020191 Image-based indoor position determination Rajarshi Gupta , Saumitra Mohan Das , Ayman Fawzy Naguib 2015-04-28
$11,804,000
9014716 Techniques for processing perceived routability constraints that may or may not affect movement of a mobile device within an indoor environment Payam Pakzad , Behrooz Khorashadi 2015-04-21
$9,982,000
8954267 Mobile device positioning Behrooz Khorashadi , Saumitra Mohan Das 2015-02-10
$19,339,000
8938257 Logo detection for indoor positioning Nan-Xing Hu , Saumitra Mohan Das , Rajarshi Gupta 2015-01-20
$16,812,000
8812023 Outdoor position estimation of a mobile device within a vicinity of one or more indoor environments Ravi Palanki , Saumitra Mohan Das 2014-08-19
$6,960,000
8515491 User distance detection for enhanced interaction with a mobile device Saumitra Mohan Das 2013-08-20
$7,622,000
6848587 Locating structure of a rack used for holding pistol-type nozzles — 2005-02-01
6732869 Locating structure of a pistol nozzle rack — 2004-05-11
6695153 Rack for holding a pistol-type lawn sprinkler nozzle — 2004-02-24
6568603 Prostrate water sprinkler — 2003-05-27
6520430 Prostrate garden sprinkler base — 2003-02-18
D459436 Water sprinkling device — 2002-06-25
D458774 Water pistol rack — 2002-06-18
6398045 Water nozzle rack — 2002-06-04
D452297 Water sprayer — 2001-12-18
D451982 Water sprayer — 2001-12-11
D447888 Cart for exhibiting pistol nozzles — 2001-09-18
D447537 Water sprinkling device — 2001-09-04
D447538 Water sprinkling device — 2001-09-04
D444847 Water sprayer — 2001-07-10
6254016 Water pistol nozzle — 2001-07-03
6230988 Water nozzle — 2001-05-15
