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Wolfgang F. M. Tolksdorf
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Tornesch, DE
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Patents Grants
last 30 patents
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Patent Grant
Optical isolator, circulator, switch or the like, including a farad...
Patent number
5,612,813
Issue date
Mar 18, 1997
U.S. Philips Corporation
Hans Damman
G02 - OPTICS
Information
Patent Grant
Magneto-optical light switching element and method of manufacturing...
Patent number
4,893,909
Issue date
Jan 16, 1990
U.S. Philips Corp.
Peter Hansen
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Magneto-optical light switching element and method of manufacturing...
Patent number
4,770,504
Issue date
Sep 13, 1988
U.S. Philips Corp.
Peter Hansen
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
Device for rotating the plane of polarization of linearly polarized...
Patent number
4,735,489
Issue date
Apr 5, 1988
U.S. Philips Corporation
Wolfgang F. M. Tolksdorf
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
Planar optical waveguide and process for its manufacture
Patent number
4,707,058
Issue date
Nov 17, 1987
U.S. Philips Corporation
Wolfgang F. M. Tolksdorf
G02 - OPTICS
Information
Patent Grant
Magnetooptical modulator
Patent number
4,578,651
Issue date
Mar 25, 1986
U.S. Philips Corporation
Heinrich Heitmann
G02 - OPTICS