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ZEISS CARL INC

Overview
  • Total Patents
    36
About

ZEISS CARL INC has a total of 36 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States and Canada. Its main competitors in its focus markets medical technology, measurement and optics are APOLLO MEDICAL OPTICS LTD, JUST A NEW HEALTH and HAAG AG STREIT.

Patent filings in countries

World map showing ZEISS CARL INCs patent filings in countries
# Country Total Patents
#1 United States 30
#2 Canada 6

Patent filings per year

Chart showing ZEISS CARL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wei Jay 16
#2 Hellmuth Thomas 14
#3 Petersen Christopher L 6
#4 Lai Ming 5
#5 Kirschbaum Alan R 4
#6 Huang David 2
#7 Eisel Dietmar 2
#8 Geraci James L 2
#9 Gross Herbert 2
#10 Campbell Charles E 2

Latest patents

Publication Filing date Title
US2003007128A1 Back projection visual field tester
US6407872B1 Optical path length scanner using moving prisms
US6325512B1 Retinal tracking assisted optical coherence tomography
US6406146B1 Wavefront refractor simultaneously recording two hartmann-shack images
US6293674B1 Method and apparatus for diagnosing and monitoring eye disease
US6382795B1 Method and apparatus for measuring refractive errors of an eye
US6382793B1 Method and apparatus for measuring a wavefront
US6220706B1 Method and apparatus for determining position of an eye
US6382794B1 Method and apparatus for mapping a corneal contour and thickness profile
US6139150A Compact visual field tester
US6053613A Optical coherence tomography with new interferometer
US5975699A Method and apparatus for simultaneously measuring the length and refractive error of an eye
US5790235A Method and apparatus to measure pupil size and position
US5805271A Refractively corrected, wavelength selective, transparent occluder for a non-tested eye for visual field testing
US5795295A OCT-assisted surgical microscope with multi-coordinate manipulator
US5608574A Surgical drape for an operation microscope
US5644642A Gaze tracking using optical coherence tomography
US5501226A Short coherence length, doppler velocimetry system
US5491524A Optical coherence tomography corneal mapping apparatus
US5469261A Measurement of lens characteristics