Learn more

YANGZHOU CHANGELIGHT CO LTD

Overview
  • Total Patents
    166
  • GoodIP Patent Rank
    8,703
  • Filing trend
    ⇧ 72.0%
About

YANGZHOU CHANGELIGHT CO LTD has a total of 166 patent applications. It increased the IP activity by 72.0%. Its first patent ever was published in 2014. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets semiconductors, environmental technology and optics are TIANJIN SAN AN OPTOELECTRONICS CO LTD, PICOGIGA SA and SCHMID YAYA TECHNOLOGY CO LTD.

Patent filings in countries

World map showing YANGZHOU CHANGELIGHT CO LTDs patent filings in countries

Patent filings per year

Chart showing YANGZHOU CHANGELIGHT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Kai 50
#2 Zhang Shuangxiang 43
#3 Wu Zhenlong 41
#4 Li Juncheng 39
#5 Jia Zhao 37
#6 Ma Xiangzhu 37
#7 Xu Zhou 35
#8 Chen Kaixuan 33
#9 Zhao Wenjian 32
#10 Han Xiaoya 24

Latest patents

Publication Filing date Title
CN112117344A Solar cell and manufacturing method thereof
CN112071937A Solar cell and manufacturing method thereof
CN112038459A Photonic crystal LED structure and manufacturing method
CN112038457A Flip red light LED chip and manufacturing method thereof
CN111864018A Positive-polarity LED chip and manufacturing method thereof
CN111785806A Solar cell and manufacturing method thereof
CN111883625A LED chip structure and preparation method thereof
CN111710767A LED chip based on graphical reflector and manufacturing method thereof
CN111463303A High-voltage series structure multi-junction solar cell and manufacturing method thereof
CN111430493A Multi-junction solar cell and power supply equipment
CN111430495A Multi-junction solar cell and power supply equipment
CN111415931A L ED chip structure and manufacturing method thereof
CN111326635A LED chip, manufacturing method thereof and display panel
CN111384216A LED chip and manufacturing method thereof
CN111276559A Solar cell structure and preparation method thereof
CN111276560A Gallium arsenide solar cell and manufacturing method thereof
CN111146305A Solar cell
CN110943139A Solar cell and manufacturing method thereof
CN111009584A Lattice mismatched multi-junction solar cell and manufacturing method thereof
CN110911502A Solar cell and manufacturing method thereof