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LENS TECHNOLOGY CHANGSHA CO LTD

Overview
  • Total Patents
    449
  • GoodIP Patent Rank
    3,371
  • Filing trend
    ⇩ 12.0%
About

LENS TECHNOLOGY CHANGSHA CO LTD has a total of 449 patent applications. It decreased the IP activity by 12.0%. Its first patent ever was published in 2013. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools, basic materials chemistry and materials and metallurgy are LENS TECHNOLOGY CO LTD, SUZHOU TOUCHTEK CO LTD and SHANGHAI HANGYI RES INSTITUTE OF HIGH TECH DEVELOPMENT CO LTD.

Patent filings in countries

World map showing LENS TECHNOLOGY CHANGSHA CO LTDs patent filings in countries

Patent filings per year

Chart showing LENS TECHNOLOGY CHANGSHA CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Qunfei 331
#2 Rao Qiaobing 296
#3 Cai Jieyong 23
#4 Cao Zhong 18
#5 Zheng Yonghua 10
#6 Ouyang Gengping 9
#7 Zhou Chang 8
#8 Chen Jiahui 8
#9 Kang Dekai 7
#10 Liu Xinping 7

Latest patents

Publication Filing date Title
CN112198757A Monochromatic gradient film, preparation method thereof and photomask
CN112142302A Glass hot bending forming process and 3D glass
CN111411362A Chemical nickel removing agent and method for iron matrix
CN111364014A Processing technology of invisible fingerprint film
CN111285611A Frosting process for glass panel
CN111230690A Panel processing method and device
CN110780776A Flexible touch cover plate, preparation method thereof and flexible touch display screen
CN110846118A Environment-friendly water-based cutting fluid and preparation method thereof
CN110777015A Cleaning agent
CN110665769A Spraying method, spraying equipment and spraying product obtained by adopting spraying method
CN110734814A glass cleaning composition and preparation method thereof
CN110777013A Cleaning agent and preparation method and cleaning process thereof
CN110587464A Polishing grinding tool, polishing device containing polishing grinding tool and polishing method
CN110587486A Grinding jig, grinding device containing grinding jig and grinding method
CN110590183A Deplating liquid and deplating method for alkali-resistant protective ink on deplated glass
CN110560788A Concave surface machining device
CN110526564A A kind of glass splinter method
CN110408480A It is a kind of for the aqua type cleaning agent of fingerprint recognition mould-group circuit-board and its application
CN110317489A One kind taking off plating solution and takes off depositing process
CN110231891A A kind of flexible cover plate and preparation method thereof, flexible OLED display