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BEIJING BEIFANG MICROELECTRONI

Overview
  • Total Patents
    37
About

BEIJING BEIFANG MICROELECTRONI has a total of 37 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are FANGMING LUO, YANXIA WU and INST GEOKHIMII IM A P VINOGRAD.

Patent filings in countries

World map showing BEIJING BEIFANG MICROELECTRONIs patent filings in countries
# Country Total Patents
#1 China 37

Patent filings per year

Chart showing BEIJING BEIFANG MICROELECTRONIs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Guo Tang 3
#2 Jianhui Nan 2
#3 Wei Yang 2
#4 Xiumin Huo 2
#5 Jing Sun 2
#6 Qingzhao Zhang 1
#7 Zhisheng Wang 1
#8 Qian Hu 1
#9 Rongfu Li 1
#10 Yongjun Li 1

Latest patents

Publication Filing date Title
CN1851864A Silicon chip unloading process
CN1848015A Gas calibration method for semiconductor equipment
CN1848008A Method of controlling semiconductor etching equipment
CN1847814A Method of measuring leakage rate of reaction cavity in etching machine
CN1848005A Gas path controlling method for chip etching equipment
CN1846871A Single-admission and double-area adjustable nozzle
CN1851569A Method for restraining buffet utilizing wave filter
CN1851845A Plasma treating coil
CN1851051A Method for controlling chip temperature in reaction chamber for semiconductor etching process
CN1851580A Method for controlling molecular pump for semiconductor etching device
CN1851859A Silicon chip process test method
CN1851858A Gas injection and diffusion system
CN1851052A Control method for removing residual gas for etching process
CN1851860A Bottom electrode assembly for semiconductor device
CN1851857A Silicon-chip separating process
CN1850579A Electric lifting mechanism
CN1851053A Shielding plate for enhancing flow field uniformity
CN1851684A Control method for factory host and integrated controller system based on web service
CN1851585A Method for treating semiconductor processing data
CN1851856A Reaction chamber for semiconductor treatment