Learn more

WANGHONG ELECTRONICS CO LTD

Overview
  • Total Patents
    323
About

WANGHONG ELECTRONICS CO LTD has a total of 323 patent applications. Its first patent ever was published in 1998. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, computer technology and audio-visual technology are LIAW JHON-JHY, HITACHI ULSI SYS CO LTD and GENUSION INC.

Patent filings in countries

World map showing WANGHONG ELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 323

Patent filings per year

Chart showing WANGHONG ELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lu Daozheng 15
#2 Zhang Guohua 12
#3 Zhang Qingyu 9
#4 Lai Hanzhao 8
#5 Lai Erkun 8
#6 Lin Jingxiang 8
#7 Liang Mingzhong 8
#8 Chen Xinhui 7
#9 Lin Hongsui 7
#10 Fan Zuohong 7

Latest patents

Publication Filing date Title
CN101093834A Layout structure of non-volatile memory
CN101030545A Method for producing image-pickup assembly and camera module
CN101026083A Reactor chip manufacturing method
CN101025243A Assembling method for pipe piece and pipeline using same
CN1979894A Method for making memory unit, memory unit and operation method
CN1979893A Transverse double-diffusing metal dioxide semiconductor transistor and making method
CN1959108A Vacuum suction device
CN1958180A Purifier for wafer, and cleaning method
CN1956156A Nonvolatile storage unit and its manufacturing method
CN1948792A Gas valve
CN1941200A Non-volatile memory circuit and establishing method thereof
CN1933097A Dry device and dry method for semiconductor equipment
CN1933126A Non-volatile memory cell, producing method thereof and method for producing non-volatile memory body
CN1913173A Memory component and its manufacturing method
CN1905155A Conductor forming method and internal connecting wire forming method
CN1870272A Non-volatility memory and its operation method
CN1870270A Flash momery and its manufacturing method
CN1862815A Non-volatility memory cell and operating method thereof
CN1862787A Non-volatility memory body and mfg. method and operating method thereof
CN1833969A Wafter delivery appts. and method