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ZHANG ZHONGSHU

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    91,754
  • Filing trend
    ⇧ 50.0%
About

ZHANG ZHONGSHU has a total of 18 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets machines, semiconductors and machine tools are MITSUBOSHI DIAMOND IND KOREA CO LTD, SHIN ETSU QUARTZ PRODUCTS CO LTD and WATANABE & CO LTD M.

Patent filings in countries

World map showing ZHANG ZHONGSHUs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing ZHANG ZHONGSHUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Zhongshu 18
#2 Zhang Juan 12
#3 Feng Jiyao 12
#4 Yu Yang 12
#5 Chen Qiang 12
#6 Wang Lianlian 12
#7 Bian Zhanning 12
#8 Zhang Lianxing 12
#9 Sun Yuntao 12
#10 Wang Jianli 10

Latest patents

Publication Filing date Title
CN112219752A Eagle beak external sleeve capable of self-adaptively fixing and protecting
CN110981172A Epitaxial process quartz weldment assembly and processing process thereof
CN111023147A Self-temperature-measuring spiral ignition chamber
CN110977355A Chemical vapor deposition CVD outer pipe and processing technology thereof
CN110963686A Epitaxial process quartz weldment and processing method thereof
CN111128816A Multifunctional quartz carrier for photoetching and processing technology thereof
CN111106049A Multi-level vertical quartz boat and processing technology thereof
CN111013515A Double-layer vertical quartz tube carrier and processing method thereof
CN110975781A Sieve plate type reactor quartz carrier and processing technology thereof
CN111517257A Tray lifting shaft weldment and machining process thereof
CN110957248A Vertical quartz boat with dense teeth
CN110429055A A kind of quartz bar production method, grooving method and quartz cell boat
CN109853041A A kind of insulation barrel effectively improving temperature stability in quartzy diffusion furnace
CN109853043A A kind of oxidized diffusion furnace system fire chamber for hydrogen-oxygen synthesis
CN109853042A A kind of novel oxidized diffusion furnace system air inlet pipe
CN111063613A Heat-preserving container for quartz diffusion furnace
CN108863029A A kind of Novel quartz crucible process
CN108863028A A kind of Novel quartz pipe processing method