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DEQING YANGRUI OPTICAL TECH CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    131,497
  • Filing trend
    ⇧ 250.0%
About

DEQING YANGRUI OPTICAL TECH CO LTD has a total of 13 patent applications. It increased the IP activity by 250.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, machine tools and chemical engineering are TAN MEIJUN, CHEN MEIJUAN and JIANGMEN CITY XINHUI DISTRICT SIQIAN HARDWARE STAINLESS STEEL INDUSTRY TECH INNOVATION CENTER.

Patent filings in countries

World map showing DEQING YANGRUI OPTICAL TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing DEQING YANGRUI OPTICAL TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shen Wei 13
#2 Zhu Hong 11
#3 Xin Feng 4

Latest patents

Publication Filing date Title
CN110125760A Optical mirror slip grinding clamp
CN110160005A Optical instrument protector
CN110145722A Optical instrument dust cover
CN110132099A Optical mirror slip center thickness measuring instrument
CN109084226A Portable illumination device
CN109047246A Lens cleaner
CN109129196A Grinding hydraulic regulating system for grind spectacle lens
CN109047091A Lens cleaner
CN109237355A Portable illumination device
CN108747691A Eyeglass chamfered edge grinder
CN108555772A Cylindrical lenses grinder
CN106956183A The processing method of glass cylinder mirror
CN106826465A It is exclusively used in the Twp-sided polishing machine erratic star wheel of glass cylinder mirror processing