Jerzy Janczak

Person

  • Rosemont, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic ballast with dimming circuit

    • Patent number 9,035,571
    • Issue date May 19, 2015
    • Koninklijke Philips N.V.
    • Robert A. Erhardt
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC BALLAST WITH DIMMING CIRCUIT

    • Publication number 20120200232
    • Publication date Aug 9, 2012
    • Koninklijke Philips Electronics N.V.
    • Robert A. Erhardt
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HID LAMP IGNITOR

    • Publication number 20120025728
    • Publication date Feb 2, 2012
    • Koninklijke Philips Electronics N.V.
    • Naveen Tumula
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    APPARATUS FOR DRIVING A GAS DISCHARGE LAMP

    • Publication number 20100026210
    • Publication date Feb 4, 2010
    • Koninklijke Philips Electronics N.V.
    • Robertus Antonius Johannes Keijser
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR