Inventor
LIU CHENGUANG
US68 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHENGUANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
20 patentsUS11176646B2Nov 16, 2021
HDR tone mapping methods with scene adaptive parameterized tone map function
SAMSUNG ELECTRONICS CO LTD9 citations85
US12417519B2Sep 16, 2025
HDR tone mapping methods with scene adaptive parameterized tone map function
SAMSUNG ELECTRONICS CO LTD1 citations74
US11769235B2Sep 26, 2023
HDR tone mapping methods with scene adaptive parameterized tone map function
SAMSUNG ELECTRONICS CO LTD1 citations72
US12028658B2Jul 2, 2024
Content creative intention preservation under various ambient color temperatures
SAMSUNG ELECTRONICS CO LTD2 citations70
US11398017B2Jul 26, 2022
HDR tone mapping based on creative intent metadata and ambient light
SAMSUNG ELECTRONICS CO LTD2 citations70
US12020413B2Jun 25, 2024
HDR tone mapping based on creative intent metadata and ambient light
SAMSUNG ELECTRONICS CO LTD2 citations68
US12541832B2Feb 3, 2026
Image-statistics-based de-banding in SDR to HDR conversion
SAMSUNG ELECTRONICS CO LTD0 citations62
US12367565B2Jul 22, 2025
Efficient inverse tone mapping network for standard dynamic range (SDR) to high dynamic range (HDR) conversion on HDR display
SAMSUNG ELECTRONICS CO LTD0 citations62
US12327518B1Jun 10, 2025
Perceptual color recovery for luminance reduced displays with burn-in protection
SAMSUNG ELECTRONICS CO LTD1 citations62
US11995743B2May 28, 2024
Skin tone protection using a dual-core geometric skin tone model built in device-independent space
SAMSUNG ELECTRONICS CO LTD0 citations62
US10863157B2Dec 8, 2020
Guided tone mapping of high dynamic range video based on a Bezier curve for presentation on a display device
SAMSUNG ELECTRONICS CO LTD1 citations62
US12087249B2Sep 10, 2024
Perceptual color enhancement based on properties of responses of human vision system to color stimulus
SAMSUNG ELECTRONICS CO LTD0 citations61
US12067957B2Aug 20, 2024
Color gamut compression and extension
SAMSUNG ELECTRONICS CO LTD0 citations61
US11615763B2Mar 28, 2023
Color gamut compression and extension
SAMSUNG ELECTRONICS CO LTD0 citations61
US11557265B2Jan 17, 2023
Perceptual color enhancement based on properties of responses of human vision system to color stimulus
SAMSUNG ELECTRONICS CO LTD0 citations61
US12363270B2Jul 15, 2025
Content creative intention preservation under various ambient color temperatures
SAMSUNG ELECTRONICS CO LTD0 citations60
US12260526B2Mar 25, 2025
Self-emitting display (SED) burn-in prevention based on stationary luminance reduction
SAMSUNG ELECTRONICS CO LTD0 citations60
US12051364B2Jul 30, 2024
Organic light emitting diode (OLED) burn-in prevention based on stationary pixel and luminance reduction
SAMSUNG ELECTRONICS CO LTD0 citations60
US11836901B2Dec 5, 2023
Content adapted black level compensation for a HDR display based on dynamic metadata
SAMSUNG ELECTRONICS CO LTD0 citations59
US11526968B2Dec 13, 2022
Content adapted black level compensation for a HDR display based on dynamic metadata
SAMSUNG ELECTRONICS CO LTD0 citations59
HARBIN INST TECHNOLOGY
5 patentsUS12196686B1Jan 14, 2025
Vortex dichroism dark-field confocal microscopy measurement apparatus based on spiral transformation
HARBIN INST TECHNOLOGY2 citations72
US12259344B1Mar 25, 2025
Living cell microbeam directional and quantitative irradiation imaging apparatus and method
HARBIN INST TECHNOLOGY0 citations62
US12276615B1Apr 15, 2025
Dark-field confocal microscopy measurement apparatus and method based on multi-fractional angular momentum demodulation
HARBIN INST TECHNOLOGY1 citations61
US12216264B2Feb 4, 2025
Dark-field confocal microscopic measurement apparatus and method based on vortex dichroism
HARBIN INST TECHNOLOGY0 citations50
US12546985B2Feb 10, 2026
Dark-field confocal microscopy measurement apparatus and method based on aperture scanning of vortex illumination
HARBIN INST TECHNOLOGY0 citations49
ZHAMU ARUNA
4 patentsUS8889298B2Nov 18, 2014
Surface-mediated lithium ion-exchanging energy storage device
ZHAMU ARUNA14 citations84
US8859143B2Oct 14, 2014
Partially and fully surface-enabled metal ion-exchanging energy storage devices
ZHAMU ARUNA16 citations84
US9779883B2Oct 3, 2017
Partially surface-mediated lithium ion-exchanging cells and method for operating same
ZHAMU ARUNA3 citations73
US9166252B2Oct 20, 2015
Surface-controlled lithium ion-exchanging energy storage device
ZHAMU ARUNA5 citations73
DALIAN DAYLIGHT WOOD IND CO LTD
4 patentsUSD976659SJan 31, 2023
Non-deformable waterproof wooden spoon
DALIAN DAYLIGHT WOOD IND CO LTD5 citations82
USD976064SJan 24, 2023
Non-deformable waterproof wooden fork
DALIAN DAYLIGHT WOOD IND CO LTD6 citations82
USD976065SJan 24, 2023
Non-deformable waterproof wooden spoon
DALIAN DAYLIGHT WOOD IND CO LTD3 citations69
USD976063SJan 24, 2023
Non-deformable waterproof wooden fork
DALIAN DAYLIGHT WOOD IND CO LTD0 citations59
KONINKLIJKE PHILIPS NV
4 patentsUS11197631B2Dec 14, 2021
Automated external defibrillator (AED) with dual ECG analysis algorithms
KONINKLIJKE PHILIPS NV2 citations69
US11439568B2Sep 13, 2022
Smart prompting to improve responders CPR performance
KONINKLIJKE PHILIPS NV0 citations62
US10406374B2Sep 10, 2019
Confidence analyzer for an automated external defibrillator (AED) with dual ECG analysis algorithms
KONINKLIJKE PHILIPS NV1 citations61
US11076795B2Aug 3, 2021
Apparatus for reversing a shock decision in an automated external defibrillator
KONINKLIJKE PHILIPS NV0 citations51
SNAP INC
3 patentsUS11164353B2Nov 2, 2021
Layering of post-capture processing in a messaging system
SNAP INC13 citations84
US12340450B2Jun 24, 2025
Layering of post-capture processing in a messaging system
SNAP INC1 citations73
US11756249B2Sep 12, 2023
Layering of post-capture processing in a messaging system
SNAP INC4 citations73
LIU CHENGUANG
2 patentsDONG YANTING
2 patentsUNIV MINNESOTA
1 patentPETROCHINA CO LTD
1 patentTENCENT TECH SHENZHEN CO LTD
1 patentTHE FIRST INST OF OCEANOGRAPHY MNR
1 patentDASU ARAVIND
1 patentHUAWEI TECH CO LTD
1 patentShowing the top 50 of 68 patents by PatentIndex Score.