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ZHONGHUA PICTURE TUBE CO LTD

Overview
  • Total Patents
    33
About

ZHONGHUA PICTURE TUBE CO LTD has a total of 33 patent applications. Its first patent ever was published in 1999. It filed its patents most often in China. Its main competitors in its focus markets semiconductors are SOBAL KK, POELZL MARTIN and FUJI RES INST CORP.

Patent filings in countries

World map showing ZHONGHUA PICTURE TUBE CO LTDs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing ZHONGHUA PICTURE TUBE CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Semiconductors

Focus technologies

# Technology
#1 Semiconductor devices

Top inventors

# Name Total Patents
#1 Chen Guozheng 4
#2 Chen Wenji 4
#3 Hong Haocheng 3
#4 Zeng Qingxiang 3
#5 Mingtan Xu 2
#6 Tong Huasu 2
#7 Hu Yuxin 2
#8 Shen Jianan Xie 1
#9 Yinan Zhu 1
#10 Haoting Tian 1

Latest patents

Publication Filing date Title
CN1979745A Light-source module and mfg. method
CN1979753A Plane light-source and mfg. method
CN1937018A Method fordriving display to illuminate using different scanning signals and display thereof
CN1937137A Method for making dielectric layer of plasma display
CN1933194A Back light module and light-emitting diode packaging structure thereof
CN1892996A Method for making film transistor and method for repairing and mending defet of polycrystal silicon film layer
CN1892285A Light-source module and optical projection system
CN1892304A Liquid crystal displaying panel and liquid crystal displaying apparatus
CN1893088A Film transistor array
CN1892994A Etching apparatus
CN1862336A Light guide plate and backlight module
CN1858649A Developing method and device
CN1825189A Method for making step contact window of two-dimensional display
CN1815307A Liquid crystal panel module with coated film limiting device
CN1816261A Display device and detachable radiating structure thereof
CN1815118A Preburning equipment
CN1814511A Packing box and conveying equipment
CN1814856A Indium-tin-oxide spattering technology and method for forming Indium-tin-oxide layer
CN1811529A Jacking pin device for reaction chamber
CN1786768A Apparatus for enhancing contrast ratio of projection system