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Tianjin zhonghuan advanced material technology co ltd

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    168,303
About

Tianjin zhonghuan advanced material technology co ltd has a total of 33 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, machine tools and chemical engineering are JEONG IN KWON, BEIJING SEMICORE MICROELECTRONICS EQUIPMENT CO LTD and BEIJING SEMICONDUCTOR SPECIAL EQUIPMENT RES INST 45TH RES INST CHINA ELEC.

Patent filings in countries

World map showing Tianjin zhonghuan advanced material technology co ltds patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing Tianjin zhonghuan advanced material technology co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sun Chenguang 12
#2 Wu Wei 7
#3 Luo Chong 6
#4 Li Xiang 6
#5 Liu Jianwei 5
#6 Zhang Yu 5
#7 Qu Tao 4
#8 Liu Zhenfu 4
#9 Yan Zhengxian 4
#10 Lyu Ying 4

Latest patents

Publication Filing date Title
CN104332425A Silicon chip surface metal ion testing device
CN104332426A Equipment and method for detecting noncontact scanning polished wafer surface roughness
CN104390993A Method for detecting trace elements of 8-inch polished wafer
CN104316542A Method for detecting defects of 8-inch polished wafers through light-transmitting mirror
CN104362090A Method for removing silicon dioxide on edge of CCD type optical localization silicon wafer
CN104526493A Monocrystalline silicon wafer edge polishing technology
CN104526538A Novel silicon wafer wax-polishing method
CN104377121A Polycrystal back sealing technology of 8-inch monocrystalline silicon wafer for IGBT
CN104406915A Method for detecting 8-inch polished wafer with spectroscopic ellipsometer
CN104191352A Monocrystalline silicon wafer polishing method capable of prolonging service life of polishing pad
CN103659468A Waxed polishing method for reducing chemical burns of single crystal silicon polished wafer
CN103639142A Cleaning method of wax polished ceramic plates
CN103646875A Silicon chip silicon dioxide edge removal method with low cost and high production capacity
CN104701201A Test box for reduction of silicon wafer surface particles
CN103668268A Waste acid recycling system
CN104690030A Tank body for improved silicon chip cleaning machine
CN104690648A Special brush for polishing pad with wax polishing function
CN103681298A Machining method for high-yield monocrystalline silicon wafer for IGBT
CN103646851A Polishing technology of reducing monocrystal silicon wafer scratches
CN104690028A Cleaning frame for silicon wafer pre-etching cleaning machine