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YIGUANG TECHNOLOGY SHANGHAI CO LTD

Overview
  • Total Patents
    23
About

YIGUANG TECHNOLOGY SHANGHAI CO LTD has a total of 23 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, semiconductors and environmental technology are AN JONG UK, ULTIMATE IMAGE CORP and SEOUL SEMICONDUCTOR CO LTD.

Patent filings in countries

World map showing YIGUANG TECHNOLOGY SHANGHAI CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing YIGUANG TECHNOLOGY SHANGHAI CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jianchang Pei 2
#2 Lingyu Cai 2
#3 Fengting Xu 2
#4 Chaoxian Dong 2
#5 Jiahao Liang 2
#6 Chen Yijun 1
#7 Hong Yayu 1
#8 Zhang Zhiyuan 1
#9 Wenqi Lin 1
#10 Yumin Hong 1

Latest patents

Publication Filing date Title
CN102917488A Lighting device
CN102916113A Fluorescent powder composition and white light emitting device utilizing same
CN102840507A Lighting device
CN102820403A Light emitting diode and supports thereof
CN102810533A White light emitting device
CN102796522A Fluorescent powder composition and white light-emitting device using same
CN102768037A Tilt sensor
CN102767811A Lamp and method for adjusting proportion of different wavelength lights emitted by lamp
CN102767785A Optical lens and lamp comprising same
CN102751169A Chip taking and placing device
CN102748594A Light emitting diode (LED) lamp and assembling method thereof
CN102734647A White light illumination system
CN102736189A Optical coupler
CN102685967A Light-emitting diode (LED) driving circuit
CN102595676A LED illumination driving control circuit
CN102537710A Lighting fixture and shading device for same
CN102434788A Light source assembly
CN102412359A Light emitting diode device for miniature projection system
CN102376842A Light emitting diode package structure
CN102345835A Pivoting device