Ralph M. N. Hanzen

Person

  • Eindhoven, NL

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical switching device

    • Patent number 6,101,298
    • Issue date Aug 8, 2000
    • U.S. Philips Corporation
    • Friedrich J. A. Den Broeder
    • G02 - OPTICS