Inventor
DAMMANN HANS
DE12 patents
⚠️ This page may combine multiple inventors who share the name “DAMMANN HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
11 patentsUS4748614AMay 31, 1988
Optical wavelength-multiplexing and/or demultiplexing device
PHILIPS CORP67 citations94
US5240550AAug 31, 1993
Method of forming at least one groove in a substrate layer
PHILIPS CORP106 citations93
US5029243AJul 2, 1991
Device for working a workpiece using laser light
PHILIPS CORP56 citations93
US4277138AJul 7, 1981
Diffraction grating and system for the formation of color components
PHILIPS CORP48 citations92
US4626069ADec 2, 1986
Optical power divider
PHILIPS CORP38 citations91
US4362359ADec 7, 1982
Coupling device for coupling signals into and out of a transmission glass-fiber
PHILIPS CORP45 citations91
US5058971AOct 22, 1991
Planar optical isolator
PHILIPS CORP35 citations88
US4679901AJul 14, 1987
Compound optical phase grating and optical switch
PHILIPS CORP24 citations81
US4859013AAug 22, 1989
Magneto-optical waveguide device with artificial optical anisotropy
PHILIPS CORP20 citations77
US4159164AJun 26, 1979
Method of eliminating errors in images derived from patterns which consist of periodically arranged individual images
PHILIPS CORP12 citations73
US3969017AJul 13, 1976
Method of image enhancement
PHILIPS CORP4 citations62