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CHENGDU WEIGUANG JIDIAN TECH CO LTD

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    36,198
  • Filing trend
    0.0%
About

CHENGDU WEIGUANG JIDIAN TECH CO LTD has a total of 42 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets audio-visual technology, computer technology and basic communication technologies are HIMAX IMAGING LTD, VLSI VISION LTD and DUAL APERTURE INT CO LTD.

Patent filings in countries

World map showing CHENGDU WEIGUANG JIDIAN TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 42

Patent filings per year

Chart showing CHENGDU WEIGUANG JIDIAN TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Yong 24
#2 Cai Hua 21
#3 Chen Fei 18
#4 Song Bo 18
#5 Gao Ju 16
#6 Chen Zheng 16
#7 Wen Jianxin 13
#8 Rui Songpeng 9
#9 Bing Songpeng 6
#10 Li Xiang 5

Latest patents

Publication Filing date Title
CN112261325A Sun blackion elimination method and circuit of image sensor and image sensor
CN112188125A Noise cancellation circuit and image sensor
CN112165588A Screen superposition display system and method and picture compression method
CN112153304A Exposure adjusting method and system, driver monitoring system and advanced driving assistance system
CN112184583A Image noise reduction method and device
CN112165586A ADC (analog-to-digital converter) function safety checking device and method, CMOS (complementary metal oxide semiconductor) image sensor and reference pixel unit
CN112165614A CMOS image sensor test system and method
CN112019775A Bad point detection and correction method and device
CN111970465A Black level correction method and device
CN111901542A Image sensor
CN111918008A Image sensor
CN111683212A Image sensor and testing method thereof
CN111787250A Comparator circuit, image sensing device and method
CN111709213A Standard cell library design checking method and system and readable storage medium
CN111510090A Operational amplifier with high voltage slew rate and wide output range
CN111432093A Dark current correction method of CMOS image sensor
CN111372018A ADC (analog to digital converter) using novel reset signal driving circuit and image sensor
CN111818239A Method for correcting lens shadow in image sensor
CN111399581A High-precision temperature sensor with related double sampling functions
CN111399585A Dark current eliminating circuit using novel slope generator and system thereof