Patents by Inventor Yosiaki YAMANAKA

Yosiaki YAMANAKA 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).

  • Small-size electrical appliance and electromotive unit of the same
    Patent number: 9729023
    Abstract: An electromotive unit includes a linear motor, a motor case containing the linear motor, a movable element connected with the linear motor and reciprocatingly driven with respect to the motor case, and a sealing material sealing the gap between the movable element and the opening of the motor case. The sealing material includes a contact portion contacting the movable element; and a recessed portion formed around contact portion, having a ring-shaped groove facing the outside of the motor case, and elastically deformable according to reciprocating movement of the movable element. This aspect provides an electromotive unit that hardly generates noise while the movable element is being reciprocatingly driven; and a small-size electrical appliance including the electromotive unit.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: August 8, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shunsuke Komori, Noboru Kobayashi, Hiroki Inoue, Toshio Ikuta, Yosiaki Yamanaka
  • SMALL-SIZE ELECTRICAL APPLIANCE AND ELECTROMOTIVE UNIT OF THE SAME
    Publication number: 20160156244
    Abstract: An electromotive unit includes a linear motor, a motor case containing the linear motor, a movable element connected with the linear motor and reciprocatingly driven with respect to the motor case, and a sealing material sealing the gap between the movable element and the opening of the motor case. The sealing material includes a contact portion contacting the movable element; and a recessed portion formed around contact portion, having a ring-shaped groove facing the outside of the motor case, and elastically deformable according to reciprocating movement of the movable element. This aspect provides an electromotive unit that hardly generates noise while the movable element is being reciprocatingly driven; and a small-size electrical appliance including the electromotive unit.
    Type: Application
    Filed: November 17, 2015
    Publication date: June 2, 2016
    Inventors: Shunsuke KOMORI, Noboru KOBAYASHI, Hiroki INOUE, Toshio IKUTA, Yosiaki YAMANAKA