Learn more

SCHWIDER JOHANNES PROF DR

Overview
  • Total Patents
    12
About

SCHWIDER JOHANNES PROF DR has a total of 12 patent applications. Its first patent ever was published in 1994. It filed its patents most often in Germany. Its main competitors in its focus markets measurement and optics are DIOPTIC GMBH, CHANGCHUN INSTITUTE OF OPTICS FINE MECH AND PHYSICS CHINESE ACADEMY OF SCIENCE and HILGER LTD ADAM.

Patent filings in countries

World map showing SCHWIDER JOHANNES PROF DRs patent filings in countries
# Country Total Patents
#1 Germany 12

Patent filings per year

Chart showing SCHWIDER JOHANNES PROF DRs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement
#2 Optics

Top inventors

# Name Total Patents
#1 Schwider Johannes Prof Dr 12

Latest patents

Publication Filing date Title
DE19800844A1 Method for wave front measurement using Shack-Hartmann sensor
DE19755820A1 Object illumination method with sinusoidal intensity distributions
DE19748619A1 Measuring surfaces using illumination of white light microscope with spectral lamp
DE19735533A1 Parallel micro-optical star coupler for data communications
DE19722342A1 Method for absolute test of spherical surfaces
DE19705119A1 Dynamic range increasing method for measurement through Shack-Hartmann sensor
DE19652113A1 Automated phase division evaluation method for interferometer, used, e.g., in CCD array
DE19643074A1 Process for the interferometric testing of technical surfaces
DE19632594A1 Confocal microscopy method using refractive microlens fields
DE19538747A1 Planar wavefront aberration measuring method for coherent light source in gitter shear interferometer
DE19511926A1 Computer generated diffraction masks for examining surfaces
DE4405450A1 Surface interferometric test for opaque or transparent objects