Learn more

BWT BEIJING LTD

Overview
  • Total Patents
    44
  • GoodIP Patent Rank
    38,276
  • Filing trend
    ⇩ 28.0%
About

BWT BEIJING LTD has a total of 44 patent applications. It decreased the IP activity by 28.0%. Its first patent ever was published in 2009. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets optics and machines are WANG ZHIJIANG, TSUNAMI PHOTONICS LTD and KAMELIAN LTD.

Patent filings in countries

World map showing BWT BEIJING LTDs patent filings in countries

Patent filings per year

Chart showing BWT BEIJING LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Machines

Top inventors

# Name Total Patents
#1 Chen Xiaohua 22
#2 Xu Lei 21
#3 Guo Weirong 19
#4 Wang Baohua 19
#5 Guo Zhijie 14
#6 Liu Rui 14
#7 Xu Dan 12
#8 He Xiaoguang 12
#9 Yang Chaodong 11
#10 Jiang Xiaochen 9

Latest patents

Publication Filing date Title
CN112271550A Wavelength-locked semiconductor laser
CN112260063A Single-tube space beam combining device of semiconductor laser
CN111221134A Light beam shaper of semiconductor laser and manufacturing method
CN110957632A Micro-channel heat sink for improving semiconductor laser array spectrum half-width
CN110932086A Semiconductor laser
CN109346926A A kind of sector solid matter laser
CN108832469A A kind of high power fiber laser of spectrum beam combination
CN108336635A A kind of high power cladding light stripper
CN108169854A A kind of Space Coupling structure of more To encapsulation semiconductor laser
CN108092130A A kind of capsulation structure for semiconductor laser
CN108152909A A kind of device and method of grating in adjusting capsulation structure for semiconductor laser
CN107907938A A kind of fiber coupling input end structure
CN107946886A A kind of optical fiber laser
US2018019576A1 Laser beam combination apparatus
CN106773150A High-power liquid cold light isolator
CN105974534A Fiber coupling apparatus
CN105977771A Laser beam combining apparatus
CN105680295A Laser beam combining device
CN105652452A Space beam combination device and system
CN105514794A Semiconductor laser