Patents by Inventor Yunosuke Mizushima

Yunosuke Mizushima 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 electric vacuum cleaner
    Patent number: 7669281
    Abstract: A portable electric vacuum cleaner according to the present invention includes a body (23), and a suction nozzle (27) provided unitarily with the body (23) at a front lower portion of the body (23) and projecting forward from the body (23) as having a predetermined length. The suction nozzle (27) is, for example, a tubular member of a fixed shape composed of a resin and tapered toward a distal end thereof. The suction nozzle (27) has a nozzle suction port (271) provided at the distal end thereof. The portable electric vacuum cleaner is generally used with a floor brush (3) attached to the suction nozzle (27). When the floor brush (3) is detached from the body (2), the suction nozzle (27) appears. Thus, the portable electric vacuum cleaner is conveniently used. Further, the suction nozzle (27) is hardly missing.
    Type: Grant
    Filed: July 26, 2005
    Date of Patent: March 2, 2010
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Tatsunori Fukuda, Yunosuke Mizushima
  • Portable electric vacuum cleaner
    Publication number: 20060021180
    Abstract: A portable electric vacuum cleaner according to the present invention includes a body (23), and a suction nozzle (27) provided unitarily with the body (23) at a front lower portion of the body (23) and projecting forward from the body (23) as having a predetermined length. The suction nozzle (27) is, for example, a tubular member of a fixed shape composed of a resin and tapered toward a distal end thereof. The suction nozzle (27) has a nozzle suction port (271) provided at the distal end thereof. The portable electric vacuum cleaner is generally used with a floor brush (3) attached to the suction nozzle (27). When the floor brush (3) is detached from the body (2), the suction nozzle (27) appears. Thus, the portable electric vacuum cleaner is conveniently used. Further, the suction nozzle (27) is hardly missing.
    Type: Application
    Filed: July 26, 2005
    Publication date: February 2, 2006
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Tatsunori Fukuda, Yunosuke Mizushima