Inventor

Hui Chao

Inventor
San Jose, CA, US

Overview

84→
Patents
2000–2020
Patent span
Physics
Primary field (CPC G)

Patents· 84 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Cprimary
G01CMeasuring distances, levels or bearings15%
H04WWireless communication networks12%
G01SRadio direction-finding11%
G06TImage data processing or generation, in general11%
LOC237%
G06KGraphical data reading6%
G06VImage or video recognition or understanding6%
H04NPictorial communication, e.g. television5%
G06FElectric digital data processing5%
B05BSpraying apparatus2%
PatentTitleYear
10,878,637Directional and x-ray view techniques for navigation using a mobile device202010,582,105Changing camera parameters based on wireless signal information202010,515,199Systems and methods for facial authentication201910,445,945Directional and X-ray view techniques for navigation using a mobile device201910,368,205Providing, organizing, and managing location history records of a mobile device201910,354,452Directional and x-ray view techniques for navigation using a mobile device201910,325,390Geometric work scheduling with dynamic and probabilistic work trimming201910,299,082Providing, organizing, and managing location history records of a mobile device201910,198,838Geometric work scheduling with dynamic and probabilistic work trimming201910,045,159Providing, organizing, and managing location history records of a mobile device201810,023,151Autonomous vehicle security20189,986,208System and method for determining location of a device using opposing cameras20189,980,135Managing security for a mobile communication device20189,959,674Directional and X-ray view techniques for navigation using a mobile device20189,912,695'Techniques for using a honeypot to protect a server'20189,906,921'Updating points of interest for positioning'20189,824,481'Maintaining heatmaps using tagged visual data'20179,600,930'Method and apparatus for optimized presentation of complex maps'20179,589,401'Method for securely delivering indoor positioning data and applications'20179,582,720'Image-based indoor position determination'20179,584,980'Methods and apparatus for position estimation'20179,528,837'Mobile device position uncertainty based on a measure of potential hindrance of an estimated trajectory'20169,521,143'Content control at gateway based on audience'20169,494,432'Collaborative navigation techniques for mobile devices'20169,483,826'Landmark based positioning'20169,448,298'Techniques for faster time-to-first-fix'20169,451,413'Apparatus and method for providing assistance data heatmaps'20169,400,930'Hybrid photo navigation and mapping'20169,395,189'Indoor structure inference using points of interest'20169,361,688'Sensor calibration and position estimation based on vanishing point determination'20169,361,889'Landmark based positioning with verbal input'20169,354,067'System, method and/or devices for aligning a movement path with an indoor routing graph'20169,341,483'Methods and apparatus for position estimation'20169,338,603'Location based brand detection'20169,326,104'Method and apparatus for indoor/outdoor detection using ambient signals'20169,317,921'Speed-up template matching using peripheral information'20169,305,353'Landmark based positioning'20169,285,227'Creating routing paths in maps'20169,275,282'Processing and managing multiple maps for an LCI'20169,191,782'2D to 3D map conversion for improved navigation'20159,185,675'Method and apparatus for classifying a mobile device location'20159,185,284'Interactive image composition'20159,146,299'Method and apparatus for position estimation using trajectory'20159,147,122'Pose estimation based on peripheral information'20159,135,705'Sensor calibration and position estimation based on vanishing point determination'20159,129,157'Method for image-based status determination'20159,113,077'Orientation determination based on vanishing point computation'20159,107,044'Techniques for processing perceived routability constraints that may or may not affect movement of a mobile device within an indoor environment'20159,093,021'Methods, apparatuses, and devices for rendering indoor maps on a display'20159,080,882'Visual OCR for positioning'20159,081,079'Adaptive updating of indoor navigation assistance data for use by a mobile device'20159,058,702'Method for securely delivering indoor positioning data and applications'20159,020,191'Image-based indoor position determination'20159,014,716'Techniques for processing perceived routability constraints that may or may not affect movement of a mobile device within an indoor environment'20158,954,267'Mobile device positioning'20158,938,257'Logo detection for indoor positioning'20158,812,023'Outdoor position estimation of a mobile device within a vicinity of one or more indoor environments'20148,515,491'User distance detection for enhanced interaction with a mobile device'20136,848,587'Locating structure of a rack used for holding pistol-type nozzles'20056,732,869'Locating structure of a pistol nozzle rack'20046,695,153'Rack for holding a pistol-type lawn sprinkler nozzle'20046,568,603'Prostrate water sprinkler'20036,520,430'Prostrate garden sprinkler base'2003D0459436'Water sprinkling device'2002D0458774'Water pistol rack'20026,398,045'Water nozzle rack'2002D0452297'Water sprayer'2001D0451982'Water sprayer'2001D0447888'Cart for exhibiting pistol nozzles'2001D0447538'Water sprinkling device'2001D0447537'Water sprinkling device'2001D0444847'Water sprayer'20016,254,016'Water pistol nozzle'20016,230,988'Water nozzle'2001D0441436'Water pipe connector'20016,216,965'Nozzle of water sprinkler'2001D0438603'Water pipe connector'2001D0437919'Water pipe connector'2001D0437391'Water sprayer'2001D0437385'Water sprayer connector'2001D0437029'Water sprayer'2001D0434108'Gun sprayer'2000D0433099'Gun sprayer'2000D0432628'Gun sprayer'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2001Patents assigned to CHAO HUI-CHEN (4)· patent assignee history
2000–2001Based in Chang Hua Hsien, TW· patent location history
2001–2004Based in Yung Kang, TW· patent location history
2001–2003Based in Hsin Chu Hsien, TW· patent location history
2013–2018Patents assigned to CHAO HUI (10)· patent assignee history
2013Based in San Diego, CA, US· patent location history
2014–2020Patents assigned to QUALCOMM INC (57)· patent assignee history
2014–2016Patents assigned to DAS SAUMITRA MOHAN (6)· patent assignee history
2014–2020Based in San Jose, CA, US· patent location history
2015–2016Patents assigned to GUPTA RAJARSHI (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
QUALCOMM INC572014–2020
CHAO HUIself102013–2018
DAS SAUMITRA MOHAN62014–2016
GUPTA RAJARSHI52015–2016
CHAO HUI-CHENself42000–2001
Locations
LocationPatentsSpan
San Jose, California, US572014–2020
Chang Hua Hsien, TW132000–2001
Yung Kang, TW82001–2004
Hsin Chu Hsien, TW42001–2003
San Diego, California, US12013