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QD LASER INC

Overview
  • Total Patents
    166
  • GoodIP Patent Rank
    12,882
  • Filing trend
    ⇩ 22.0%
About

QD LASER INC has a total of 166 patent applications. It decreased the IP activity by 22.0%. Its first patent ever was published in 2007. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets optics, audio-visual technology and medical technology are WACH MICHAEL L, GONTHIER FRANCOIS and LASERLINE GES FUER ENTWICKLUNG.

Patent filings in countries

World map showing QD LASER INCs patent filings in countries

Patent filings per year

Chart showing QD LASER INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Suzuki Makoto 103
#2 Sugawara Mitsuru 76
#3 Hasegawa Kinya 27
#4 Yasui Kenji 20
#5 Morino Seiji 20
#6 Nishi Kenichi 20
#7 Arakawa Yasuhiko 14
#8 Akiyama Tomoyuki 14
#9 Maeda Yasunari 12
#10 Takemasa Keizo 12

Latest patents

Publication Filing date Title
WO2020196637A1 Image relay device and image projection system
WO2020121814A1 Image display device and relay optical system
JP2021000342A Visual inspection apparatus and visual inspection method
JP2020204669A Image display device
JP2020095237A Image display device and relay optical system
JP2020173397A Relay optical component and image display device
JP2020173398A Relay optical component and image display device
JP2020170118A Image inspection device
JP2020144195A Image creation device, image projection device, and image creation method
JP2020141110A Semiconductor laser and inspection device
JP2020141111A Wavelength sweep laser system and inspection device
JP2020076848A Image projection device
JP2020056886A Image projector and image projection method
JP2020048748A Optometer and optometric method
JP2019058667A Ophthalmologic examination apparatus
WO2019065245A1 Image projection device
WO2019069648A1 Vision examination device
WO2019069578A1 Vision examining apparatus
JP2020010821A Visual field acuity examination device and visual field acuity examination method
JP2020004802A Laser driver, light source, and image projection device