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HANGZHOU HANGKE OPTOELECTRONICS CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    160,532
  • Filing trend
    ⇩ 100.0%
About

HANGZHOU HANGKE OPTOELECTRONICS CO LTD has a total of 23 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, semiconductors and environmental technology are FUJIAN WANBAN OPTOELECTRONIC TECHNOLOGY CO LTD, CAI ZHOU and CREE LED LIGHTING SOLUTIONS.

Patent filings in countries

World map showing HANGZHOU HANGKE OPTOELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing HANGZHOU HANGKE OPTOELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yan Qianjun 19
#2 Zheng Zhaozhang 10
#3 Gao Jiwei 8
#4 Ke Kai 5
#5 Qianjun Yan 4
#6 Jiwei Gao 3
#7 Xu Qili 2
#8 Ma Lingli 2
#9 Li Honglan 1
#10 Wang Xiaoyan 1

Latest patents

Publication Filing date Title
CN112289916A Packaging method of LED lamp filament
CN112097129A Color-controllable LED luminescent lamp
CN111750284A Filament lamp light-emitting module and manufacturing method thereof
CN111739999A High-light-efficiency LED light source capable of improving color rendering R8 value
CN111520623A Filament lamp luminous module driven in bulb and capable of directly exchanging commercial power for work
CN111022949A Spraying powder and LED lamp sprayed with same
CN110701497A Bulb production equipment capable of automatically clamping core column and production method thereof
CN110451815A A kind of preparation method of allusion curved shape LED filament lamp anti-reflection film
CN109945080A A kind of pseudo-classic type LED filament lamp of plated film
CN109873071A A kind of filament packaging method of LED filament lamp
CN107965688A A kind of nonpolarity LED light bar, filament and LED light
CN103343891A LED light source module capable of emitting light in 4pi mode
CN103296175A LED light source module capable of emitting light at all beam angles
CN103292174A 2 pi luminous LED (Light Emitting Diode) light source module
CN103292173A 4 Pi luminous LED light source module
CN103258937A Transparent paster-type light emitting diode (LED) light source
CN103219453A Low-attenuation light emitting diode (LED)
CN103044073A Surface treatment technology for ceramic substrate of LED (light-emitting diode) area light source
CN102585805A Multi-emission-peak LED (light emitting diode) white light fluorescent powder and preparation method thereof
CN102321371A Preparation method of high-power white light LED (light emitting diode) silica gel lens