Inventor
LEE DEWEY HO
US38 patents
⚠️ This page may combine multiple inventors who share the name “LEE DEWEY HO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRACENOTE INC
30 patentsUS9992533B2Jun 5, 2018
Media channel identification and action with multi-match detection and disambiguation based on matching with differential reference—fingerprint feature
GRACENOTE INC60 citations99
US10136183B2Nov 20, 2018
Dynamic video overlays
GRACENOTE INC10 citations92
US10123073B2Nov 6, 2018
Dynamic video overlays
GRACENOTE INC10 citations92
US10045074B2Aug 7, 2018
Method and system for detecting and responding to changing of media channel
GRACENOTE INC9 citations92
US10972786B2Apr 6, 2021
Media channel identification and action with multi-match detection and disambiguation based on matching with differential reference- fingerprint feature
GRACENOTE INC3 citations84
US10805673B2Oct 13, 2020
Method and system for detecting and responding to changing of media channel
GRACENOTE INC3 citations84
US10785530B2Sep 22, 2020
Dynamic video overlays
GRACENOTE INC4 citations84
US10524000B2Dec 31, 2019
Media channel identification and action with multi-match detection and disambiguation based on matching with differential reference-fingerprint feature
GRACENOTE INC3 citations84
US10142680B2Nov 27, 2018
Dynamic video overlays
GRACENOTE INC3 citations84
US10972203B2Apr 6, 2021
Detecting and responding to rendering of interactive video content
GRACENOTE INC1 citations73
US10972204B2Apr 6, 2021
Detecting and responding to rendering of interactive video content
GRACENOTE INC2 citations73
US10893320B2Jan 12, 2021
Dynamic video overlays
GRACENOTE INC1 citations73
US10869086B2Dec 15, 2020
Dynamic video overlays
GRACENOTE INC1 citations73
US10523999B2Dec 31, 2019
Media channel identification and action with multi-match detection and disambiguation based on matching with differential reference-fingerprint feature
GRACENOTE INC1 citations73
US10412447B2Sep 10, 2019
Dynamic video overlays
GRACENOTE INC1 citations73
US11036995B2Jun 15, 2021
Methods and systems for scoreboard region detection
GRACENOTE INC2 citations72
US11010627B2May 18, 2021
Methods and systems for scoreboard text region detection
GRACENOTE INC2 citations72
US10997424B2May 4, 2021
Methods and systems for sport data extraction
GRACENOTE INC2 citations72
US10531150B2Jan 7, 2020
Method and system for detecting and responding to changing of media channel
GRACENOTE INC0 citations63
US12309439B2May 20, 2025
Methods and systems for scoreboard text region detection
GRACENOTE INC0 citations62
US12300005B2May 13, 2025
Methods and systems for determining accuracy of sport-related information extracted from digital video frames
GRACENOTE INC0 citations62
US12217506B2Feb 4, 2025
Methods and systems for scoreboard text region detection
GRACENOTE INC0 citations62
US11830261B2Nov 28, 2023
Methods and systems for determining accuracy of sport-related information extracted from digital video frames
GRACENOTE INC0 citations62
US11798279B2Oct 24, 2023
Methods and systems for sport data extraction
GRACENOTE INC0 citations62
US11792441B2Oct 17, 2023
Methods and systems for scoreboard text region detection
GRACENOTE INC0 citations62
US11087161B2Aug 10, 2021
Methods and systems for determining accuracy of sport-related information extracted from digital video frames
GRACENOTE INC0 citations62
US12283055B2Apr 22, 2025
Methods and systems for scoreboard region detection
GRACENOTE INC0 citations59
US12010359B2Jun 11, 2024
Methods and systems for scoreboard text region detection
GRACENOTE INC0 citations59
US11568644B2Jan 31, 2023
Methods and systems for scoreboard region detection
GRACENOTE INC0 citations59
US11805283B2Oct 31, 2023
Methods and systems for extracting sport-related information from digital video frames
GRACENOTE INC0 citations51
ROKU INC
8 patentsUS11089357B2Aug 10, 2021
Method and system for detecting and responding to changing of media channel
ROKU INC2 citations84
US11617009B2Mar 28, 2023
Media channel identification and action with multi-match detection and disambiguation based on matching with differential reference-fingerprint feature
ROKU INC0 citations73
US11470383B2Oct 11, 2022
Dynamic video overlays
ROKU INC1 citations73
US11432037B2Aug 30, 2022
Method and system for detecting and responding to changing of media channel
ROKU INC0 citations73
US11425454B2Aug 23, 2022
Dynamic video overlays
ROKU INC1 citations73
US11290776B2Mar 29, 2022
Media channel identification and action with multi-match detection and disambiguation based on matching with differential reference-fingerprint feature
ROKU INC1 citations73
US12167076B2Dec 10, 2024
Dynamic video overlays
ROKU INC0 citations62
US11936467B2Mar 19, 2024
Detecting and responding to rendering of interactive video content
ROKU INC0 citations62