Learn more

PHOTOVOLTAIC INDUSTRY TECH BRANCH OF QINGHAI HUANGHE HYDROPOWER DEVELOPMENT CO LTD

Overview
  • Total Patents
    66
  • GoodIP Patent Rank
    22,039
  • Filing trend
    ⇧ 180.0%
About

PHOTOVOLTAIC INDUSTRY TECH BRANCH OF QINGHAI HUANGHE HYDROPOWER DEVELOPMENT CO LTD has a total of 66 patent applications. It increased the IP activity by 180.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, semiconductors and machines are SYMPHONY ENERGY CO LTD, WUXI SUNTECH-POWER CO LTD and SUZHOU COOP&INNO GREEN ENERGY TECH CO LTD.

Patent filings in countries

World map showing PHOTOVOLTAIC INDUSTRY TECH BRANCH OF QINGHAI HUANGHE HYDROPOWER DEVELOPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 66

Patent filings per year

Chart showing PHOTOVOLTAIC INDUSTRY TECH BRANCH OF QINGHAI HUANGHE HYDROPOWER DEVELOPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Ziqi 24
#2 Zheng Lu 22
#3 Ma Yunfeng 21
#4 Lei Mingyu 19
#5 He Yinfeng 18
#6 Han Jindou 17
#7 Hou Shaopan 16
#8 Chen Yan 12
#9 Zhang Min 12
#10 Fan Hualong 11

Latest patents

Publication Filing date Title
CN112133793A Back-junction back-contact solar cell and manufacturing method thereof
CN112133794A Solar cell and manufacturing method thereof
CN112133774A Back-junction back-contact solar cell and manufacturing method thereof
CN112071769A Performance evaluation system and method of N-type silicon wafer
CN112133792A Solar cell and manufacturing method thereof
CN112117334A Preparation method of selective emitter and preparation method of solar cell
CN112201575A Selective boron source doping method and preparation method of double-sided battery
CN111957723A Method and device for recycling broken glass photovoltaic module
CN111958352A Back plate recovery system and method of photovoltaic module
CN112058875A Vacuum adsorption roller and adsorption method
CN112108493A Photovoltaic module glass removing equipment and method
CN111974788A Stripping mechanism and stripping method
CN112222978A Back plate removing device for retired photovoltaic module
CN112101958A Method for tracking quality of photovoltaic module in whole life cycle
CN111812033A Electroluminescent test support of photovoltaic module
CN111835284A Photovoltaic module mechanical load test device and automatic feeding mechanism thereof
CN111790618A Device for pre-separating solid mixed materials
CN111790723A Recovery method and device of complete glass photovoltaic module
CN111807057A Panel conveying device
CN111921669A Method for recovering silicon in photovoltaic module