Hans O. B. Dammann

Person

Tangstedt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method of forming at least one groove in a substrate layer
- Patent number 5,240,550
- Issue date Aug 31, 1993
- U.S. Philips Corp.
- Ralf-Dieter Boehnke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Planar optical isolator
- Patent number 5,058,971
- Issue date Oct 22, 1991
- U.S. Philips Corp.
- Hans-Jurgen Schmitt
- G02 - OPTICS
Information Patent Grant
Device for working a workpiece using laser light
- Patent number 5,029,243
- Issue date Jul 2, 1991
- U.S. Philips Corporation
- Hans Dammann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Magneto-optical waveguide device with artificial optical anisotropy
- Patent number 4,859,013
- Issue date Aug 22, 1989
- U.S. Philips Corp.
- Hans J. Schmitt
- G02 - OPTICS
Information Patent Grant
Non-reciprocal optical waveguide device, particularly for use as an...
- Patent number 4,859,014
- Issue date Aug 22, 1989
- U.S. Philips Corp.
- Hans-Jurgen Schmitt
- G02 - OPTICS
Information Patent Grant
Optical polarization regulator having a wave-guide structure
- Patent number 4,798,434
- Issue date Jan 17, 1989
- U.S. Philips Corp.
- Hans O. B. Dammann
- G02 - OPTICS
Information Patent Grant
Optical path sensor including a filter
- Patent number 4,776,669
- Issue date Oct 11, 1988
- U.S. Philips Corporation
- Hans O. B. Dammann
- G01 - MEASURING TESTING
Information Patent Grant
Optical wavelength-multiplexing and/or demultiplexing device
- Patent number 4,748,614
- Issue date May 31, 1988
- U.S. Philips Corporation
- Hans Dammann
- G02 - OPTICS
Information Patent Grant
Phase-matched magnetooptical mode converter
- Patent number 4,746,182
- Issue date May 24, 1988
- U.S. Philips Corp.
- Hans O. B. Dammann
- G02 - OPTICS
Information Patent Grant
Planar optical waveguide and method of manufacturing same
- Patent number 4,712,855
- Issue date Dec 15, 1987
- U.S. Philips Corporation
- Wolfgang F. M. Tolksdorf
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Compound optical phase grating and optical switch
- Patent number 4,679,901
- Issue date Jul 14, 1987
- U.S. Philips Corporation
- Hans Dammann
- G02 - OPTICS
Information Patent Grant
Optical power divider
- Patent number 4,626,069
- Issue date Dec 2, 1986
- U.S. Philips Corporation
- Hans Dammann
- G02 - OPTICS
Information Patent Grant
Compound optical phase grating and switching devices comprising suc...
- Patent number 4,585,307
- Issue date Apr 29, 1986
- Hans Dammann
- G02 - OPTICS
Information Patent Grant
Coupling device for coupling signals into and out of a transmission...
- Patent number 4,362,359
- Issue date Dec 7, 1982
- U.S. Philips Corporation
- Hans Dammann
- G02 - OPTICS
Information Patent Grant
Diffraction grating and system for the formation of color components
- Patent number 4,277,138
- Issue date Jul 7, 1981
- U.S. Philips Corporation
- Hans Dammann
- G02 - OPTICS
Information Patent Grant
Method of eliminating errors in images derived from patterns which...
- Patent number 4,159,164
- Issue date Jun 26, 1979
- U.S. Philips Corporation
- Hans Dammann
- G02 - OPTICS

Hans O. B. Dammann

Person

Patents Grantslast 30 patents

Method of forming at least one groove in a substrate layer

Planar optical isolator

Device for working a workpiece using laser light

Magneto-optical waveguide device with artificial optical anisotropy

Non-reciprocal optical waveguide device, particularly for use as an...

Optical polarization regulator having a wave-guide structure

Optical path sensor including a filter

Optical wavelength-multiplexing and/or demultiplexing device

Phase-matched magnetooptical mode converter

Planar optical waveguide and method of manufacturing same

Compound optical phase grating and optical switch

Optical power divider

Compound optical phase grating and switching devices comprising suc...

Coupling device for coupling signals into and out of a transmission...

Diffraction grating and system for the formation of color components

Method of eliminating errors in images derived from patterns which...