Inventor
LEONG KEEN-HUN
MY25 patents
⚠️ This page may combine multiple inventors who share the name “LEONG KEEN-HUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIXART IMAGING INC
21 patentsUS10871385B2Dec 22, 2020
Optical encoder capable of identifying absolute positions and operating method thereof
PIXART IMAGING INC38 citations91
US8669960B2Mar 11, 2014
Firmware methods and devices for a mutual capacitance touch sensing device
PIXART IMAGING INC8 citations83
US8553009B2Oct 8, 2013
Firmware methods and devices for a mutual capacitance touch sensing device
PIXART IMAGING INC6 citations83
US10613155B2Apr 7, 2020
Short circuit testing method for capacitive sensing device and the capacitive sensing device
PIXART IMAGING INC2 citations72
US11585651B2Feb 21, 2023
Optical positioning system having high resolution
PIXART IMAGING INC2 citations71
US11105608B2Aug 31, 2021
Optical positioning system and operating method thereof
PIXART IMAGING INC4 citations71
US12039111B1Jul 16, 2024
Optical navigation method and optical navigation device
PIXART IMAGING INC1 citations61
US12018927B2Jun 25, 2024
Optical positioning system determining positions based on last passed edge
PIXART IMAGING INC0 citations61
US11079857B2Aug 3, 2021
Optical detecting device
PIXART IMAGING INC0 citations61
US8736570B2May 27, 2014
Firmware methods and devices for a mutual capacitance touch sensing device
PIXART IMAGING INC2 citations61
US12100165B2Sep 24, 2024
Optical sensor for odometry tracking to determine trajectory of a wheel
PIXART IMAGING INC0 citations60
US11748893B2Sep 5, 2023
Optical sensor for odometry tracking to determine trajectory of a wheel
PIXART IMAGING INC0 citations60
US11189036B2Nov 30, 2021
Optical sensor for odometry tracking to determine trajectory of a wheel
PIXART IMAGING INC0 citations60
US11486893B2Nov 1, 2022
Optical sensing system and optical navigation system
PIXART IMAGING INC0 citations56
US11965968B2Apr 23, 2024
Optical sensing system and optical sensing method
PIXART IMAGING INC0 citations52
US12137855B2Nov 12, 2024
Mobile robot and cliff detection method thereof
PIXART IMAGING INC0 citations51
US11893753B2Feb 6, 2024
Security camera and motion detecting method for security camera
PIXART IMAGING INC0 citations51
US10643335B2May 5, 2020
Optical sensor for odometry tracking to determine trajectory of a wheel
PIXART IMAGING INC0 citations50
US10210412B2Feb 19, 2019
Optical encoder capable of identifying absolute positions and operating method thereof
PIXART IMAGING INC0 citations49
US11049264B2Jun 29, 2021
Marker detecting device and optical tracking device
PIXART IMAGING INC0 citations47
US11922666B2Mar 5, 2024
Object presence detection using raw images
PIXART IMAGING INC0 citations40