Patents by Inventor Kenshi Aihara

Kenshi Aihara 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).

  • Multifunction acoustic device
    Publication number: 20020064295
    Abstract: A speaker diaphragm is supported in a frame and a voice coil is secured to the speaker diaphragm. A rotor having a central permanent magnet and a cylindrical hubprovided around the central permanent magnet is rotatably supported in the frame. A motor annular permanent magnet is disposed around the rotor. The voice coil is disposed in the gap formed between the central permanent magnet and the hub.
    Type: Application
    Filed: November 19, 2001
    Publication date: May 30, 2002
    Applicant: CITIZEN ELECTRONICS CO., LTD.
    Inventors: Takashi Kobayashi, Akira Nikaido, Kenshi Aihara