Patents by Inventor Kouji Hisamatsu

Kouji Hisamatsu 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).

  • Electronic device
    Publication number: 20110110547
    Abstract: An electronic device includes a speaker element having a diaphragm and a driving unit that vibrates the diaphragm; a mounting unit, in a housing, to which the speaker element is mounted; and an enclosure formed next to the mounting unit. The speaker element is mounted to the mounting unit in the housing while a side of the diaphragm is a side to be mounted to the mounting unit in the housing and a side of the driving unit is opened.
    Type: Application
    Filed: October 8, 2010
    Publication date: May 12, 2011
    Applicant: Sony Corporation
    Inventors: Takashi Oishi, Yoshihisa Tsuchida, Kouji Hisamatsu