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DUGEN LASER TECH SUZHOU CO LTD

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    59,849
About

DUGEN LASER TECH SUZHOU CO LTD has a total of 27 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets optics, semiconductors and measurement are LORENZEN DIRK, RARING JAMES W and INABA FUMIO.

Patent filings in countries

World map showing DUGEN LASER TECH SUZHOU CO LTDs patent filings in countries
# Country Total Patents
#1 China 27

Patent filings per year

Chart showing DUGEN LASER TECH SUZHOU CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Guowen 26
#2 Zhao Weidong 22
#3 Zhao Yongming 11
#4 Song Yuanxin 5
#5 Zhang Yanchun 5
#6 Tang Song 5
#7 Yang Xiaojie 4
#8 Yang Haoyu 3
#9 Zhang Yu 3
#10 Bai Longgang 2

Latest patents

Publication Filing date Title
CN112233976A Substrate etching method
CN112233970A Method for manufacturing gallium arsenide-based semiconductor device
CN112152085A Semiconductor preparation method, semiconductor structure and semiconductor device
CN112134142A Semiconductor structure, semiconductor device and manufacturing method of semiconductor structure
CN112152086A Method for manufacturing semiconductor device, semiconductor device and semiconductor assembly
CN112151479A Heat sink for device, semiconductor device and preparation method of heat sink for device
CN111900625A Laser and manufacturing method thereof
CN111711063A Substrate, semiconductor device and manufacturing method of semiconductor device
CN111593327A MOCVD equipment cleaning method
CN111710606A Substrate processing method
CN111710617A Detection method of semiconductor structure and semiconductor structure
CN111725054A Epitaxial layer continuous growth method
CN111711075A Active region, semiconductor laser and manufacturing method of semiconductor laser
CN111235542A Film coating machine observation structure
CN111211486A Semiconductor laser
CN111211485A Laser device
CN111208063A Reflectance spectrum monitoring device and method
CN110956676A Multi-axis curve drawing method and device and electronic equipment
CN111063634A Monitoring device and method
CN110880676A Preparation method of semiconductor laser