Patents by Inventor Hiromichi Matsuhashi

Hiromichi Matsuhashi 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 vacuum cleaner
    Patent number: 7427307
    Abstract: An electric vacuum cleaner has a dust collecting section for removing dust and an electric air blower mounted in its main body and comprises a filter for removing dust from air sucked into the dust collecting section by driving the electric air blower, and a disposable filter can be arranged on the upstream side of the filter.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: September 23, 2008
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Toshiyuki Fujiyoshi, Hiromichi Matsuhashi, Hideya Tsuchida, Kei Takai, Shozo Ushio
  • Electric vacuum cleaner and cyclonic dust collecting apparatus
    Publication number: 20060016043
    Abstract: In an inventive electric vacuum cleaner, a filter 20 through which air discharged from an air outlet port 19 is passed is provided on a rear face of a casing 18 of a cyclonic dust collecting apparatus 7, and held by a filter holder 18B. A rear face of the filter 20 is spaced from vertical ribs 32A of the filter holder 18B to define a guide passage 35 for guiding air discharged from a portion of the air outlet port 19 not opposed to an opening 33 through the filter 20 toward the opening 33. The guide passage 35 allows the air to pass through the portion of the air outlet port 19 not opposed to the opening 33.
    Type: Application
    Filed: July 21, 2005
    Publication date: January 26, 2006
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Hiromichi Matsuhashi, Toshiyuki Fujiyoshi, Hideya Tsuchida, Kei Takai, Shozo Ushio
  • Electric vacuum cleaner
    Publication number: 20050247036
    Abstract: An electric vacuum cleaner has a dust collecting section for removing dust and an electric air blower mounted in its main body and comprises a filter for removing dust from air sucked into the dust collecting section by driving the electric air blower, and a disposable filter can be arranged on the upstream side of the filter.
    Type: Application
    Filed: May 5, 2005
    Publication date: November 10, 2005
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Toshiyuki Fujiyoshi, Hiromichi Matsuhashi, Hideya Tsuchida, Kei Takai, Shozo Ushio