P

Inventor

LIU REN-CHIEH

TW33 patents
⚠️ This page may combine multiple inventors who share the name “LIU REN-CHIEH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIXART IMAGING INC

23 patents
US11792550B2Oct 17, 2023

Pixel circuit outputting pulse width signal and optical sensor using the same

PIXART IMAGING INC5 citations85
US11706542B2Jul 18, 2023

Pixel circuit outputting time difference data and image data, and operating method of pixel array

PIXART IMAGING INC5 citations85
US11812176B2Nov 7, 2023

Pixel circuit selecting to output time difference data or image data

PIXART IMAGING INC4 citations74
US11546540B2Jan 3, 2023

Analog operation circuit for operating pulse width signals outputted from pixel circuit

PIXART IMAGING INC3 citations73
US11290671B2Mar 29, 2022

Pixel circuit outputting pulse width signals and performing analog operation

PIXART IMAGING INC3 citations73
US11153524B1Oct 19, 2021

High precision pixel circuit and method thereof

PIXART IMAGING INC6 citations73
US11055548B1Jul 6, 2021

Motion sensor using temporal difference pixels and lift-up detection thereof

PIXART IMAGING INC3 citations73
US11849236B2Dec 19, 2023

Time delay integration sensor handling defect pixels

PIXART IMAGING INC2 citations72
US12513429B2Dec 30, 2025

Optical sensor outputting partial image data of pixel array

PIXART IMAGING INC0 citations62
US12317604B2May 27, 2025

Analog operation circuit for processing pixel data in analog phase

PIXART IMAGING INC0 citations62
US12279054B2Apr 15, 2025

Time delay integration sensor with multiple sensor arrays

PIXART IMAGING INC0 citations62
US12192655B2Jan 7, 2025

Time delay integration sensor handling defect pixels

PIXART IMAGING INC0 citations62
US12137295B2Nov 5, 2024

Pixel circuit selecting to output time difference data or image data

PIXART IMAGING INC0 citations62
US12058467B2Aug 6, 2024

Pixel circuit outputting pulse width signal and optical sensor using the same

PIXART IMAGING INC0 citations62
US12052523B2Jul 30, 2024

Pixel circuit outputting time difference data and image data, and operating method thereof

PIXART IMAGING INC0 citations62
US11863885B2Jan 2, 2024

Time delay integration sensor with multiple sensor arrays

PIXART IMAGING INC0 citations62
US11783633B2Oct 10, 2023

Motion sensor using temporal difference pixels and lift-up detection thereof

PIXART IMAGING INC0 citations62
US11336843B2May 17, 2022

Time delay integration sensor

PIXART IMAGING INC1 citations62
US11330206B2May 10, 2022

Image sensing circuit and method capable of obtaining higher image brightness dynamic range

PIXART IMAGING INC0 citations62
US12568321B2Mar 3, 2026

Time delay integration sensor with pixels having different sensing ability

PIXART IMAGING INC0 citations52
US12347181B2Jul 1, 2025

Neural signal detection circuit outputting time difference data or neural data

PIXART IMAGING INC0 citations52
US12556839B2Feb 17, 2026

Time delay integration sensor with dual gains

PIXART IMAGING INC0 citations51
US11343448B2May 24, 2022

Method of operating an HDR pixel circuit achieving high precision

PIXART IMAGING INC0 citations50

REALTEK SEMICONDUCTOR CORP

9 patents

LIN YING-YAO

1 patent