Patents by Inventor Tameyoshi Oshima

Tameyoshi 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).

  • Electric driver
    Patent number: 7370561
    Abstract: A power screwdriver (10) includes a bit holder (14) bored to receive the shaft of a screwdriver bit (12) and adapted to securely hold the screwdriver bit (12) in place, and a housing (18) having a through cavity (16). The bit holder (14) is inserted into the through cavity (16) so that the bit holder (14) is rotatable about and movable along the axis of the bit holder. This arrangement securely holds the screwdriver bit and thus, minimize rattling of the screwdriver bit during rotation.
    Type: Grant
    Filed: August 9, 2004
    Date of Patent: May 13, 2008
    Assignee: Nitto Kohki Co., Ltd.
    Inventors: Toshio Mikiya, Takayuki Okamoto, Tameyoshi Oshima, Yasuo Kazama
  • Electric driver
    Publication number: 20060185481
    Abstract: A power screwdriver (10) includes a bit holder (14) bored to receive the shaft of a screwdriver bit (12) and adapted to securely hold the screwdriver bit (12) in place, and a housing (18) having a through cavity (16). The bit holder (14) is inserted into the through cavity (16) so that the bit holder (14) is rotatable about and movable along the axis of the bit holder. This arrangement securely holds the screwdriver bit and thus, minimize rattling of the screwdriver bit during rotation.
    Type: Application
    Filed: August 9, 2004
    Publication date: August 24, 2006
    Inventors: Toshio Mikiya, Takayuki Okamoto, Tameyoshi Oshima, Yasuo Kazama