Learn more

HUNAN HUALEI OPTOELECTRONIC CORP

Overview
  • Total Patents
    240
  • GoodIP Patent Rank
    7,455
  • Filing trend
    ⇩ 100.0%
About

HUNAN HUALEI OPTOELECTRONIC CORP has a total of 240 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 semiconductors, surface technology and coating and micro-structure and nano-technology are QUORA TECH INC, ANVIL SEMICONDUCTORS LTD and EPITOP OPTOELECTRONIC CO LTD.

Patent filings in countries

World map showing HUNAN HUALEI OPTOELECTRONIC CORPs patent filings in countries
# Country Total Patents
#1 China 240

Patent filings per year

Chart showing HUNAN HUALEI OPTOELECTRONIC CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Ping 69
#2 Miao Zhenlin 56
#3 Zhang Yu 34
#4 Lin Chuanqiang 27
#5 Wang Yanming 23
#6 Lu Guojun 19
#7 Xu Shuncheng 16
#8 Zhou Zuohua 15
#9 Niu Fengjuan 15
#10 Hu Qiji 13

Latest patents

Publication Filing date Title
CN107482095A A kind of LED epitaxial growth methods
CN107452841A LED epitaxial growth methods based on graphene
CN107369748A A kind of LED epitaxial growth methods based on graphene
CN107564999A A kind of LED epitaxial growth methods of improving luminous efficiency
CN107394018A A kind of LED epitaxial growth methods
CN107359225A A kind of LED epitaxial growth methods for strengthening luminous radiation efficiency
CN107359224A A kind of LED epitaxial growth methods for lifting internal quantum efficiency
CN107507891A Improve the LED epitaxial growth methods of internal quantum efficiency
CN107482089A A kind of high brightness LED chip and preparation method thereof
CN107293621A A kind of LED chip and preparation method thereof
CN107240625A The preparation method of 4 inches of patterned substrates
CN107204391A A kind of LED epitaxial growth methods
CN107132733A A kind of LED chip photoetching development method
CN107123594A LED electrode preparation method, LED electrode and LED chip
CN107134517A A kind of LED epitaxial growth methods
CN107039316A Make the control method and controller of LED chip
CN107146832A A kind of epitaxial wafer of light emitting diode and preparation method thereof
CN107068817A LED epitaxial growth methods
CN106887496A A kind of light emitting diode and preparation method thereof
CN106848019A A kind of high brightness LED chip structure and preparation method thereof