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QINGHAI HUIYUAN IND AND TRADE CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    146,526
About

QINGHAI HUIYUAN IND AND TRADE CO LTD has a total of 12 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets audio-visual technology and optics are SUBMEDIA LLC, TAIWAN PLASTIC OPTICAL FIBER CO LTD and ROTULOS ROURA SA.

Patent filings in countries

World map showing QINGHAI HUIYUAN IND AND TRADE CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing QINGHAI HUIYUAN IND AND TRADE CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Wang Rongrong 12

Latest patents

Publication Filing date Title
CN111123543A Bore hole 3D concatenation screen
CN111123548A Method for manufacturing naked eye 3D television
CN111045125A Method for manufacturing large-size slit glass grating
CN111045124A Method for manufacturing large-size glass grating
CN111123544A Ground 3D advertisement machine based on electronic grating
CN111128056A Holographic 3D advertisement of transmission-type machine
CN111123508A Method for manufacturing electronic grating
CN111123547A Novel 3D (three-dimensional) lamp box
CN111048015A 360 degree 3D changes lamp house
CN111123546A 360 degree 3D changes lamp house
CN111123545A 3D television based on electronic grating
CN111048009A 360 degree 2D changes lamp house