Patents

  1. Single and Dual Mode Helix Loaded Cavity Filters
    S.J. Fiedziuszko, R.S. Kwok
    U.S. Patent # 6,031,436 (2000)
  2. Voltage Tunable Patch Filter Element with Dielectrically Loaded Slot
    S.J. Fiedziuszko, R.S. Kwok
    U.S. Patent # 6,563,404 (2003)
  3. No fastener Waveguide Structures
    R.S. Kwok
    U.S. Patent (pending)
  4. Ceramic Filter with Higher Order Mode Cancellation
    R.S. Kwok
    U.S. Patent (pending)