Inventor
CHEN PO-CHANG
TW44 patents
⚠️ This page may combine multiple inventors who share the name “CHEN PO-CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HIMAX IMAGING LTD
19 patentsUS9307120B1Apr 5, 2016
Image processing system adaptable to a dual-mode image device
HIMAX IMAGING LTD12 citations84
US11252337B1Feb 15, 2022
Method and apparatus of performing automatic exposure control for image sensor with context switching
HIMAX IMAGING LTD7 citations83
US9467632B1Oct 11, 2016
Dual exposure control circuit and associated method
HIMAX IMAGING LTD9 citations82
US10498972B1Dec 3, 2019
High-dynamic-range imaging system and method
HIMAX IMAGING LTD3 citations73
US9525814B2Dec 20, 2016
Automatic focus searching using focal sweep technique
HIMAX IMAGING LTD3 citations73
US9083900B2Jul 14, 2015
Lens shading correction system
HIMAX IMAGING LTD6 citations73
US11252340B1Feb 15, 2022
Motion detection system with flicker compensation
HIMAX IMAGING LTD3 citations70
US8878965B1Nov 4, 2014
Black level adjustment device and method for CMOS image sensor
HIMAX IMAGING LTD2 citations62
US9185377B1Nov 10, 2015
Color processing system and apparatus
HIMAX IMAGING LTD3 citations61
US9001238B1Apr 7, 2015
Lens shading correction method and image signal processor for performing the same
HIMAX IMAGING LTD2 citations61
US12225312B2Feb 11, 2025
Binning system
HIMAX IMAGING LTD0 citations60
US11503217B2Nov 15, 2022
System and method of estimating ambient light
HIMAX IMAGING LTD0 citations60
US12506982B2Dec 23, 2025
Correction method and device for handling column fixed pattern noise of image sensor and related image sensing device
HIMAX IMAGING LTD0 citations55
US9521385B2Dec 13, 2016
Image sensor equipped with additional group of selectively transmissive filters for illuminant estimation, and associated illuminant estimation method
HIMAX IMAGING LTD1 citations52
US11382202B2Jul 5, 2022
Method and apparatus for controlling a lighting fixture based on motion detection and related lighting fixture
HIMAX IMAGING LTD0 citations51
US9871972B2Jan 16, 2018
Auto exposure control system and method
HIMAX IMAGING LTD1 citations49
US11321850B2May 3, 2022
Presence detection system
HIMAX IMAGING LTD0 citations46
US9088740B2Jul 21, 2015
System and method of reducing noise
HIMAX IMAGING LTD0 citations41
US9438812B2Sep 6, 2016
Method for controlling exposure level of frame in image sensor, computer readable recording media for performing the method, and image processing system
HIMAX IMAGING LTD0 citations39
EPISTAR CORP
5 patentsUS10205070B2Feb 12, 2019
Light-emitting device having dissimilar first and second light-emitting angles
EPISTAR CORP6 citations82
US11011681B2May 18, 2021
Light-emitting device and the method of manufacturing the same
EPISTAR CORP0 citations60
US12272774B2Apr 8, 2025
Light-emitting device and the method of manufacturing the same
EPISTAR CORP0 citations59
US10886201B2Jan 5, 2021
Power device having a substrate with metal layers exposed at surfaces of an insulation layer and manufacturing method thereof
EPISTAR CORP1 citations58
US10586902B2Mar 10, 2020
Light-emitting device having dissimilar first and second light-emitting angles
EPISTAR CORP0 citations50
CHEN PO-CHANG
4 patentsUS8408753B2Apr 2, 2013
LED lamp with refractive imaging effect
CHEN PO-CHANG3 citations61
US7104263B1Sep 12, 2006
Detergent supply system for a self-cleaning kitchen hood
CHEN PO-CHANG5 citations61
US8452115B2May 28, 2013
Method and apparatus for designing restoration filter, and method and apparatus for restoring image using the restoration filter
CHEN PO-CHANG4 citations60
US8654225B2Feb 18, 2014
Color interpolation system and method thereof
CHEN PO-CHANG0 citations49
PRINCETON TECHNOLOGY CORP
3 patentsUS7463082B2Dec 9, 2008
Light emitting device and current mirror thereof
PRINCETON TECHNOLOGY CORP9 citations84
US7002414B2Feb 21, 2006
Digital adjustable chip oscillator
PRINCETON TECHNOLOGY CORP3 citations62
US7543196B2Jun 2, 2009
Apparatus for testing integrated circuit
PRINCETON TECHNOLOGY CORP0 citations52