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DONGGUAN TIANNAN OPTICAL TECHNOLOGY CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    194,138
About

DONGGUAN TIANNAN OPTICAL TECHNOLOGY CO LTD has a total of 12 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets packaging and shipping, environmental technology and consumer goods are ROLLGLISS AG, MITTELMANN SICHERHEITSTECHNIK GMBH & CO KG and LOU LINHUA.

Patent filings in countries

World map showing DONGGUAN TIANNAN OPTICAL TECHNOLOGY CO LTDs patent filings in countries

Patent filings per year

Chart showing DONGGUAN TIANNAN OPTICAL TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nie Quan 12
#2 Hu Youtao 6
#3 Ge Yong 3
#4 Lu Jiangbo 2
#5 Hu Runze 2
#6 Yi Yong 1
#7 Shu Yihu 1

Latest patents

Publication Filing date Title
CN105031842A Lifter capable of preventing rope clamping
CN105107100A Intelligent rescuing high-altitude pothook device
CN105096517A Robot rope fatigue intelligent detection device
CN104528568A Lifting robot system
CN104495661A Multifunctional safe lifter
CN103663226A Rope loosening preventing self-adaptive transmission gear train mechanism of lift
CN103531775A Preparation method of doped lithium-rich lithium manganese oxide cathode material
CN103531848A Overlapping winding preparation method of lithium ion secondary battery
CN103072928A Multipurpose lifter
CN103010901A Rope limiting structure of elevator
CN103022396A Clamping structure for lifter battery