Patents by Inventor Michio Hanba

Michio Hanba 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).

  • Supported vehicle electroacoustical transducing
    Patent number: 5468922
    Abstract: A loudspeaker enclosure for mounting on a vehicle rear deck includes a main chamber, and at least one subchamber adjacent to the main chamber. At least one support intercouples the main chamber and the at least one subchamber. The acoustic mass of the at least one subport and the acoustic compliance of the at least one subchamber establish a mass-compliance resonant frequency of the order of substantially 250 Hz.
    Type: Grant
    Filed: September 30, 1992
    Date of Patent: November 21, 1995
    Assignee: Bose Corporation
    Inventor: Michio Hanba