Patents by Inventor Nobuhiro Kani

Nobuhiro Kani has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bandpass filter and apparatus using same
    Patent number: 6864762
    Abstract: A bandpass filter disposed on a substrate includes one pair of ring Each of the ring resonators includes a pattern inductor, a resonance capacitor connected in parallel with the pattern inductor, and an input/output terminal connected with the pattern inductor via a coupling capacitor. The pattern inductors are connected with an impedance varying device, whereby the bandpass filter is capable of frequency adjustments.
    Type: Grant
    Filed: March 10, 2003
    Date of Patent: March 8, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Norihiro Yahata, Hitoshi Hirano, Hiroshi Nagai, Naomi Nagata, Nobuhiro Kani
  • Bandpass filter and apparatus using same
    Publication number: 20030231084
    Abstract: A bandpass filter disposed on a substrate comprises one pair of ring resonators, each of which includes a pattern inductor, a resonance capacitor connected in parallel with the pattern inductor, and an input/output terminal connected with the pattern inductor via a coupling capacitor. The pattern inductors are connected with impedance varying means, whereby a bandpass filter capable of frequency adjustments is provided.
    Type: Application
    Filed: March 10, 2003
    Publication date: December 18, 2003
    Inventors: Norihiro Yahata, Hitoshi Hirano, Hiroshi Nagai, Naomi Nagata, Nobuhiro Kani