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SHANDONG HUAGUANG OPTOELECTRONICS CO LTD

Overview
  • Total Patents
    195
  • GoodIP Patent Rank
    11,075
  • Filing trend
    ⇩ 34.0%
About

SHANDONG HUAGUANG OPTOELECTRONICS CO LTD has a total of 195 patent applications. It decreased the IP activity by 34.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets optics, semiconductors and machine tools are PHOTODIGM INC, FUJIAN Z K LITECORE LTD and HAYASHI SHIGEO.

Patent filings in countries

World map showing SHANDONG HUAGUANG OPTOELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 195

Patent filings per year

Chart showing SHANDONG HUAGUANG OPTOELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Xiangang 103
#2 Li Peixu 50
#3 Su Jian 46
#4 Tang Qingmin 36
#5 Xia Wei 28
#6 Zhang Xin 27
#7 Zhu Zhen 24
#8 Li Shuqiang 22
#9 Yu Guolei 20
#10 Xu Xian Gang 18

Latest patents

Publication Filing date Title
CN111224315A LD red TO laser packaging method of gold-tin process
CN112152067A TO packaging laser with pipe seat with threaded structure and module assembling method
CN112147848A Preparation method of small-size groove
CN112122875A Device and method for quickly correcting positioning ring of tube seat of semiconductor laser
CN112117641A GaAs-based multi-junction red laser and preparation method thereof
CN112111727A Method for rapidly recovering MOCVD upper cover after maintenance
CN110148886A A kind of high reliability laser and preparation method thereof containing interface δ doping
CN111342344A Photonic crystal high-power laser and preparation method thereof
CN111337425A Semiconductor laser COS alloy strength detection device and detection method
CN111342345A Preparation method of GaAs-based quantum dot laser
CN111330935A Semiconductor laser electrode wire recycling device and method
CN111323118A Device for detecting light emission of semiconductor laser and capable of avoiding optical crosstalk and mounting method thereof
CN111092366A Semiconductor laser with double-sided current limiting structure and preparation method
CN111092364A Micro-channel packaging structure of high-power bar laser and sintering method thereof
CN111092365A Multi-tube-core sintering clamp and sintering method for semiconductor laser with uniform and adjustable pressure
CN110875575A Method for manufacturing narrow ridge structure of semiconductor laser
CN110858016A Device for improving optical power density of laser
CN110850528A Coupling optical fiber manufacturing method and assembly fixture
CN110854678A Preparation method of GaAs-based high-power laser
CN110768098A Preparation method of semiconductor laser with ridge structure and bonding wire pattern