Patents by Inventor Shouji Sugiyama

Shouji Sugiyama 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).

  • Portable radio transceiver
    Patent number: 5068917
    Abstract: A portable radio transceiver comprising a chassis having end sides, a manipulating section and an electronic circuit carried by the chassis, an attaching plate pivotally attached on one of the end sides of the chassis, a speaker attached on the attaching plate, and a housing having side walls and an aperture formed in one of the side walls, whereby the attaching plate is swung toward the aperture means when the chassis is bottomed in the housing so as to hold the speaker in contact with the aperture.
    Type: Grant
    Filed: September 29, 1989
    Date of Patent: November 26, 1991
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shouji Sugiyama, Daisuke Ohtani, Tadao Tajima