P

Inventor

LIU CHENG-CHIEH

TW55 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHENG-CHIEH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VIVOTEK INC

32 patents
US10368036B2Jul 30, 2019

Pair of parking area sensing cameras, a parking area sensing method and a parking area sensing system

VIVOTEK INC6 citations73
US10593059B1Mar 17, 2020

Object location estimating method with timestamp alignment function and related object location estimating device

VIVOTEK INC4 citations72
US10186042B2Jan 22, 2019

Object matching method and camera system with an object matching function

VIVOTEK INC5 citations72
US10769478B2Sep 8, 2020

Convolutional neutral network identification efficiency increasing method and related convolutional neutral network identification efficiency increasing device

VIVOTEK INC3 citations69
US10134151B2Nov 20, 2018

Verification method and system for people counting and computer readable storage medium

VIVOTEK INC5 citations69
US12223725B2Feb 11, 2025

Object identification method and related surveillance system

VIVOTEK INC1 citations64
US11030718B1Jun 8, 2021

Image stitching method and related monitoring camera apparatus

VIVOTEK INC2 citations63
US12548338B2Feb 10, 2026

Object sampling method and image analysis apparatus

VIVOTEK INC0 citations62
US11138754B2Oct 5, 2021

Queue analyzing method and image monitoring apparatus

VIVOTEK INC0 citations62
US11030757B1Jun 8, 2021

Queue analyzing method and image monitoring apparatus

VIVOTEK INC0 citations62
US10438060B2Oct 8, 2019

Video flow analysing method and camera device with video flow analysing function

VIVOTEK INC1 citations62
US10192588B2Jan 29, 2019

Method, device, and computer-readable medium for tagging an object in a video

VIVOTEK INC1 citations62
US11216967B2Jan 4, 2022

Queue information analyzing method and related image analyzing apparatus

VIVOTEK INC0 citations61
US11263757B2Mar 1, 2022

Image identifying method and related monitoring camera and monitoring camera system

VIVOTEK INC0 citations56
US11790657B2Oct 17, 2023

Object counting method and surveillance camera

VIVOTEK INC0 citations52
US11393190B2Jul 19, 2022

Object identification method and related monitoring camera apparatus

VIVOTEK INC0 citations52
US11049281B2Jun 29, 2021

Image calibrating method and related monitoring camera system

VIVOTEK INC0 citations52
US10146870B2Dec 4, 2018

Video playback method and surveillance system using the same

VIVOTEK INC0 citations52
US9832455B2Nov 28, 2017

Stereo camera and automatic range finding method for measuring a distance between stereo camera and reference plane

VIVOTEK INC1 citations52
US9367769B2Jun 14, 2016

Device, method for image analysis and computer-readable medium

VIVOTEK INC1 citations52
US10592775B2Mar 17, 2020

Image processing method, image processing device and image processing system

VIVOTEK INC0 citations51
US10140523B2Nov 27, 2018

Setting method of a counting flow path, image monitoring system with setting function of the counting flow path and related computer-readable media

VIVOTEK INC0 citations51
US10097737B2Oct 9, 2018

Image capture system and method for synchronizing image

VIVOTEK INC1 citations51
US11288831B2Mar 29, 2022

Information measuring method and information measuring system

VIVOTEK INC0 citations50
US10477089B2Nov 12, 2019

Image analysis method, camera and image capturing system thereof

VIVOTEK INC0 citations50
US10783380B2Sep 22, 2020

Object counting device, object counting system and object counting method

VIVOTEK INC0 citations48
US12387499B2Aug 12, 2025

Image identification method and image surveillance apparatus

VIVOTEK INC0 citations45
US10573014B2Feb 25, 2020

Image processing system and lens state determination method

VIVOTEK INC0 citations42
US10528822B2Jan 7, 2020

Visitor grouping method and image processing device

VIVOTEK INC0 citations42
US10453212B2Oct 22, 2019

Wireless transmitting/receiving system, wireless receiving device and wireless transmitting/receiving method

VIVOTEK INC0 citations42
US12094211B2Sep 17, 2024

Surveillance region identifying method and surveillance apparatus

VIVOTEK INC0 citations41
US10354361B2Jul 16, 2019

Image stitching method and camera system with an image stitching function

VIVOTEK INC0 citations40

DELTA ELECTRONICS INC

13 patents
US7701158B2Apr 20, 2010

Fan system and speed detecting device thereof

DELTA ELECTRONICS INC11 citations83
US7425809B2Sep 16, 2008

Heat dissipation devices

DELTA ELECTRONICS INC9 citations82
US7218073B2May 15, 2007

Fan motor speed control circuit

DELTA ELECTRONICS INC17 citations81
US9903381B2Feb 27, 2018

System and method for controlling forward/reverse rotation of fan

DELTA ELECTRONICS INC7 citations78
US11473584B2Oct 18, 2022

Method of starting a fan using an open loop starting stage with a decreasing drive signal value

DELTA ELECTRONICS INC4 citations72
US9973118B2May 15, 2018

Motor drive circuit, method for detecting single phase DC motor rotation direction and method for starting motor

DELTA ELECTRONICS INC2 citations72
US7291949B2Nov 6, 2007

Mounting structure for motor controller of heat-dissipating device

DELTA ELECTRONICS INC5 citations62
US7164249B2Jan 16, 2007

Fan control device and method

DELTA ELECTRONICS INC2 citations62
US9316230B2Apr 19, 2016

Thin fan, electronic system and manufacturing method of thin fan

DELTA ELECTRONICS INC2 citations60
US11933309B2Mar 19, 2024

Method of starting a fan using an open loop starting stage with a decreasing drive signal value

DELTA ELECTRONICS INC0 citations51
US8922148B2Dec 30, 2014

Motor and control method thereof

DELTA ELECTRONICS INC0 citations51
US7694157B2Apr 6, 2010

Heat dissipation device and control method for same

DELTA ELECTRONICS INC0 citations50
US10064286B2Aug 28, 2018

Thin fan, electronic system and manufacturing method of thin fan

DELTA ELECTRONICS INC0 citations49

CHEN CHAO-HO

1 patent

QISDA CORP

1 patent

LIN WEI-YI

1 patent

CHANG CHIA-YUAN

1 patent

CORETRONIC CORP

1 patent

Showing the top 50 of 55 patents by PatentIndex Score.