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WUHAN TELECOMM DEVICES CO LTD

Overview
  • Total Patents
    442
  • GoodIP Patent Rank
    4,917
  • Filing trend
    ⇩ 16.0%
About

WUHAN TELECOMM DEVICES CO LTD has a total of 442 patent applications. It decreased the IP activity by 16.0%. Its first patent ever was published in 2003. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets optics, telecommunications and semiconductors are WUHAN HUAGONG GENUINE OPTICS TECH CO LTD, CORONA OPTICAL SYSTEMS INC and OYOKODEN LAB CO LTD.

Patent filings per year

Chart showing WUHAN TELECOMM DEVICES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Chenggang 56
#2 Quan Benqing 48
#3 Sun Liping 46
#4 Yu Xianghong 40
#5 Fu Yong'An 31
#6 Xu Hongchun 30
#7 Gao Fanrong 28
#8 Song Beili 28
#9 Fu Yongan 28
#10 Wang Renfan 26

Latest patents

Publication Filing date Title
CN112229518A Method, device and equipment for measuring chip absorption spectrum and storage medium
CN112201566A Wafer thinning method and device and wafer unloading clamp
CN112195443A Film deposition system and film coating method
CN111999823A Light receiving device and method for manufacturing the same
CN111897062A Optical path coupling method and device and storage medium
CN111970811A Circuit board
CN111725972A Bias circuit of avalanche photodiode and power supply method
CN111800279A Ethernet electric port module
CN111800191A Optical module debugging device, debugging method and electronic equipment
CN111702364A Welding method of TO-CAN ceramic plate
CN111800190A Signal intensity calibration method and device of optical module based on avalanche photodiode
CN111624456A Test system of laser
CN111381329A Coupling adapter
CN110971304A Light receiving and transmitting assembly based on silicon light
CN110932093A Preparation method of VCSEL (vertical cavity surface emitting laser)
CN110673271A AOC optical module
CN110716269A Optical module capable of adopting liquid immersion type refrigeration and manufacturing method thereof
CN110579699A Chip testing device
CN110596432A Test system for multidirectional photoelectric device
CN110480147A A kind of TO sealing weld clamp and its application method