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ALLERGAN HUMPHREY

Overview
  • Total Patents
    14
About

ALLERGAN HUMPHREY has a total of 14 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United States, Japan and Switzerland. Its main competitors in its focus markets medical technology, measurement and optics are HUMPHREY INSTRUMENTS INC, INDIGO DIABETES N V and LEICA INC.

Patent filings in countries

World map showing ALLERGAN HUMPHREYs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Japan 3
#3 Switzerland 2
#4 Germany 2
#5 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing ALLERGAN HUMPHREYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Campbell Charles E 3
#2 Campbell Charles Edward 3
#3 Chiyaaruzu Edowaado Kiyanberu 2
#4 Humphrey William Edwin 2
#5 Shinn Alan L 1
#6 Uiriamu Ii Hanfurii 1
#7 Kirschbaum Alan R 1
#8 Campbell Charles 1
#9 Lehmer Donald E 1

Latest patents

Publication Filing date Title
DE4133206A1 Automatic measuring system for refractive index of out-of-line optical system - uses detector arrangement positioned on optical axis to form at least three scanning apertures for emergent light
US5208619A Automatic refractor, lensmeter and keratometer utilizing Badal optics
US5220361A Gaze tracking for field analyzer
US5198867A Adaption of lensmeter optics for minimizing contact lens spherical aberration
US5175594A Lensmeter with correction for refractive index and spherical aberration
US4902121A Range detector for eye instrument having interrogating beam
US4934370A Pinhole focused optics for locating visual axis of the eye for ultrasonic interior measurement