Inventor
LEE SAI-MUN
MY72 patents
⚠️ This page may combine multiple inventors who share the name “LEE SAI-MUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIXART IMAGING INC
30 patentsUS11550161B2Jan 10, 2023
Illumination system having different light sources adapt to different work surfaces
PIXART IMAGING INC5 citations86
US10976560B2Apr 13, 2021
Navigation device, illumination system and light beam shaping optics thereof
PIXART IMAGING INC6 citations84
US10192856B2Jan 29, 2019
Optical navigation module capable of performing lateral detection and adjusting tracking distance
PIXART IMAGING INC5 citations83
US10937773B2Mar 2, 2021
Image module package having flat glass filter flush with transparent layer
PIXART IMAGING INC8 citations82
US11921296B2Mar 5, 2024
Electronic device having different light sources adapt to different work surfaces
PIXART IMAGING INC3 citations75
US11886649B2Jan 30, 2024
Optical navigation device
PIXART IMAGING INC2 citations73
US11942462B2Mar 26, 2024
Optical navigation module capable of performing lateral detection
PIXART IMAGING INC1 citations72
US11063028B2Jul 13, 2021
Optical navigation module capable of performing lateral detection and adjusting tracking distance
PIXART IMAGING INC3 citations72
US11754440B2Sep 12, 2023
Opto-mechanical structure design of thin LGA package with glass cover and a thickness of an aperture ceiling is 0.20MM
PIXART IMAGING INC2 citations71
US11562992B2Jan 24, 2023
Image module package having glass filter secured by transparent adhesive
PIXART IMAGING INC2 citations71
US10514554B2Dec 24, 2019
Optical motion detecting device for a flight vehicle
PIXART IMAGING INC2 citations68
US12204114B2Jan 21, 2025
Electronic device having light sources illuminating at different distances
PIXART IMAGING INC0 citations62
US11480664B2Oct 25, 2022
Optical detection device of detecting a distance relative to a target object
PIXART IMAGING INC0 citations62
US11048342B2Jun 29, 2021
Dual mode optical navigation device
PIXART IMAGING INC0 citations62
US12498797B2Dec 16, 2025
Navigation device with improved light utilization efficiency and optical engine thereof
PIXART IMAGING INC0 citations61
US12230621B2Feb 18, 2025
Optical navigation module performing lateral detection
PIXART IMAGING INC0 citations61
US12181688B2Dec 31, 2024
Lens piece, lens assembly and imaging device including the same
PIXART IMAGING INC0 citations61
US12117337B2Oct 15, 2024
Opto-mechanical structure design of thin LGA package with glass cover
PIXART IMAGING INC0 citations61
US12092890B2Sep 17, 2024
Optical lens and optical data capturing device
PIXART IMAGING INC0 citations61
US12039111B1Jul 16, 2024
Optical navigation method and optical navigation device
PIXART IMAGING INC1 citations61
US11956892B2Apr 9, 2024
Method and structure for alignment of lens to optical product at PCBA level
PIXART IMAGING INC0 citations61
US11822143B2Nov 21, 2023
Optical lens and optical data capturing device
PIXART IMAGING INC0 citations61
US11372258B2Jun 28, 2022
Lens piece, lens assembly and imaging device including the same
PIXART IMAGING INC0 citations61
US12468165B2Nov 11, 2025
Optical mouse and light pipe thereof
PIXART IMAGING INC0 citations60
US12105297B2Oct 1, 2024
Optical mouse and light pipe thereof
PIXART IMAGING INC0 citations60
US11774771B2Oct 3, 2023
Optical mouse and light pipe thereof
PIXART IMAGING INC0 citations60
US11372255B2Jun 28, 2022
Optical mouse and light pipe thereof
PIXART IMAGING INC0 citations60
US11029527B2Jun 8, 2021
Optical mouse and light pipe thereof, and optical component of optical navigation device
PIXART IMAGING INC0 citations60
US11965968B2Apr 23, 2024
Optical sensing system and optical sensing method
PIXART IMAGING INC0 citations52
US10564174B2Feb 18, 2020
Optical sensing apparatuses, method, and optical detecting module capable of estimating multi-degree-of-freedom motion
PIXART IMAGING INC0 citations52
AVAGO TECH ECBU IP SG PTE LTD
5 patentsUS7868281B2Jan 11, 2011
Optical navigation system and method of estimating motion with optical lift detection
AVAGO TECH ECBU IP SG PTE LTD12 citations80
US7710570B2May 4, 2010
Light pipe for low profile optical navigation systems
AVAGO TECH ECBU IP SG PTE LTD4 citations60
US7568819B2Aug 4, 2009
Utilizing an internal reflection surface to reflect and collimate sidelight in an optical navigation device
AVAGO TECH ECBU IP SG PTE LTD4 citations60
US8022931B2Sep 20, 2011
Self-calibrating optical feedback system in a laser mouse
AVAGO TECH ECBU IP SG PTE LTD6 citations57
US7282694B2Oct 16, 2007
Optical navigation system having a ring pixel array
AVAGO TECH ECBU IP SG PTE LTD2 citations56
AVAGO TECHNOLOGIES GENERAL IP
3 patentsUS7378643B2May 27, 2008
Optical projection encoder with patterned mask
AVAGO TECHNOLOGIES GENERAL IP9 citations84
US9218069B2Dec 22, 2015
Optical sensing device to sense displacement
AVAGO TECHNOLOGIES GENERAL IP5 citations73
US7399955B2Jul 15, 2008
Low profile optical navigation sensor
AVAGO TECHNOLOGIES GENERAL IP5 citations57
PIXART IMAGING PENANG SDN BHD
3 patentsUS10211191B2Feb 19, 2019
Image module package with transparent sub-assembly
PIXART IMAGING PENANG SDN BHD1 citations71
US12196584B2Jan 14, 2025
Multi-track optical encoder
PIXART IMAGING PENANG SDN BHD0 citations62
US11828629B2Nov 28, 2023
Multi-track optical encoder
PIXART IMAGING PENANG SDN BHD0 citations62
AGILENT TECHNOLOGIES INC
1 patentLEONG YAT KHENG
1 patentAVAGO TECHNOLOGIES LTD
1 patentLEE SAI MUN
1 patentAVAGO TECHNOLOGIES ECBU IP PTE
1 patentPIXART IMAGING (PENANG) SDN BHD
1 patentPANG KWAI-LEE
1 patentKRISHNAN THINESHWARAN GOPAL
1 patentSAMSUNG ELECTRONICS CO LTD
1 patentShowing the top 50 of 72 patents by PatentIndex Score.