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QUANTEL SA

Overview
  • Total Patents
    48
About

QUANTEL SA has a total of 48 patent applications. Its first patent ever was published in 1972. It filed its patents most often in France, United States and Germany. Its main competitors in its focus markets optics, electrical machinery and energy and measurement are OCLARO PHOTONICS INC, GONTHIER FRANCOIS and SANTUR CORP.

Patent filings per year

Chart showing QUANTEL SAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Michelet Guy 7
#2 Bret Georges 5
#3 Giyui Mishiyure 4
#4 Lascar Guy 3
#5 Roland Jean-Jacques 3
#6 Guivy Patrick 2
#7 Cottin Patrice 2
#8 Grynberg Gilbert 2
#9 Grynberg Gilbert Lab Spectrosc 1
#10 Bret Georges G 1

Latest patents

Publication Filing date Title
FR2679386A1 Device for compensating birefringence in laser oscillators and amplifiers
WO9106389A1 Method and device for laser brazing
FR2621116A1 Active optical gyrometer with phase conjugation
FR2559474A1 Method for sealing and waterproofing metal objects on a body of vitroceramic material
US4420222A Mirror having a variable focal length
US4298247A Thick optical element having a variable curvature
JPS54146648A Variable focal length lens
GB2007013A High yield difraction limited laser oscillator
US4490021A Optical filtering element and a spectral refining device including the same
GB1603704A Mirror having a variable focal length
US4289379A Optical system having a variable focal length
GB1465526A Process for filtering and amplifying laser beams