Patents by Inventor Eisuke Oshima

Eisuke Oshima 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).

  • Vibration motor
    Patent number: 8242650
    Abstract: A weight used in a vibration motor includes first and second weight parts that extend along adjacent wing parts to hold the wing parts therebetween; an insertion part that is formed between the first and second weight parts and into which the adjacent wing parts are inserted in the radial direction of the core; and a third weight part that is inserted between the adjacent wing parts (that is, slot) and connects the first weight part and the second weight part in a direction of the rotation axis line such that the insertion part is decoupled.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: August 14, 2012
    Assignee: Nidec Copal Corporation
    Inventors: Hideaki Nakamura, Eisuke Oshima
  • VIBRATION MOTOR
    Publication number: 20110043061
    Abstract: A weight used in a vibration motor includes first and second weight parts that extend along adjacent wing parts to hold the wing parts therebetween; an insertion part that is formed between the first and second weight parts and into which the adjacent wing parts are inserted in the radial direction of the core; and a third weight part that is inserted between the adjacent wing parts (that is, slot) and connects the first weight part and the second weight part in a direction of the rotation axis line such that the insertion part is decoupled.
    Type: Application
    Filed: April 30, 2009
    Publication date: February 24, 2011
    Applicant: NIDEC COPAL CORPORATION
    Inventors: Hideaki Nakamura, Eisuke Oshima