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CHINA HUALU GROUP CO LTD

Overview
  • Total Patents
    60
  • GoodIP Patent Rank
    40,056
  • Filing trend
    ⇩ 22.0%
About

CHINA HUALU GROUP CO LTD has a total of 60 patent applications. It decreased the IP activity by 22.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets optics, audio-visual technology and computer technology are KAMERAWERKE NOBLE GMBH, VOCKENHUBER KARL and MEOPTA NARODNI PODNIK.

Patent filings in countries

World map showing CHINA HUALU GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 60

Patent filings per year

Chart showing CHINA HUALU GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Yi 41
#2 Du Jian 29
#3 Sun Yang 28
#4 Liao Minghui 27
#5 Kong Weicheng 26
#6 Fu Yao 26
#7 Yang Siwen 23
#8 Ma Changwei 20
#9 Yin Wei 15
#10 Ge Junting 15

Latest patents

Publication Filing date Title
CN112099248A Laser speckle weakening device and method based on magneto-optical effect depolarization
CN111025835A Lens anti-fogging device for laser light source projector
CN110944273A Penetrating type phase-reversing tube and audio box
CN111007691A Three-color laser projection system
CN111025834A RGB three-color semiconductor laser projection display polarization light splitting system
CN108663878A Laser light projection display system
CN108679485A Diode laser matrix light source module group
CN108919476A A kind of iridescent wheel cap assemblies for strengthening heat sinking function
CN108469710A A kind of laser diode cooling system of laser-projector
CN108663884A A kind of three color laser light projection display systems
CN108415213A A kind of laser projection, which is shown, uses uniform light board lens integral system
CN108259870A A kind of projecting TV picture Modular Display System
CN108167603A Adjustable ultrashort burnt laser projection tv
CN108121045A Laser projection focusing regulator and laser projection
CN108180385A The adjustable full-bearing type projector of setting angle
CN108020984A The adjustable ultrashort burnt formula laser projection tv of suspension angles
CN108169986A The full-bearing type projector of included electromotion focusing mechanism
CN107883141A Projector's hoisting bracket
CN108156432A A kind of ultrashort burnt laser projection tv of optimization shields installation method firmly
CN107450259A DLP projector optical engine system