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NANJING ZIJINSHAN OPTICS INSTR FACTORY

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    102,957
  • Filing trend
    ⇩ 100.0%
About

NANJING ZIJINSHAN OPTICS INSTR FACTORY has a total of 16 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machine tools and optics are MARSH ROGER F, BLAZEVIC PAUL and HIGUCHI TADAYASU.

Patent filings in countries

World map showing NANJING ZIJINSHAN OPTICS INSTR FACTORYs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing NANJING ZIJINSHAN OPTICS INSTR FACTORYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zheng Zeng 16
#2 Sun Lingui 16
#3 Zheng Yuntou 16

Latest patents

Publication Filing date Title
CN108867972A A kind of melon lobed spherical shell piece of astronomy top dome
CN108867973A A kind of astronomy top dome
CN108873306A A kind of astronomical telescope
CN108867974A A kind of attachment device of astronomy top dome melon lobed spherical shell piece
CN108867681A A kind of pedestal of astronomy top dome
CN108856396A A kind of swan neck system
CN108868023A A kind of skylight of astronomical dome
CN108868024A A kind of skylight driving mechanism of dome
CN108873586A A kind of astronomy canopy of the heavens
CN108867970A A kind of astronomical dome
CN108867971A A kind of sphere steel frame construction of astronomical dome
CN108797874A A kind of domed base of major diameter stable rotation
CN108797872A A kind of domed base of chain wheel drive
CN108787788A A kind of steel plate wrap-up
CN108797873A A kind of domed base
CN108789196A A kind of fixture