Patents by Inventor Takafumi Ishibashi

Takafumi Ishibashi 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 CLEANER
    Publication number: 20090119867
    Abstract: An electric vacuum cleaner includes an electric blower, a driver for driving the electric blower, a determination controller for controlling the electric power supply to the electric blower by transmitting a signal to the driver, and a dust amount sensor for sensing the amounts of dusts of different sizes. The determination controller controls the electric power supply to the electric blower based on the amounts of dusts of the different sizes sensed by the dust amount sensor.
    Type: Application
    Filed: October 19, 2006
    Publication date: May 14, 2009
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Hiroyuki Senoo, Takafumi Ishibashi, Yasuo Ohshima, Seiichi Ueno, Akihito Itoh
  • Vacuum cleaner
    Patent number: 7309365
    Abstract: A vacuum cleaner including an electric blower for generating suction air, a collecting unit for collecting dust contained in the suction air, a dust removing unit for removing dust adhered to the collecting unit, and a dust removing stop unit for stopping an operation of the dust removing unit. The dust removing stop unit stops the operation of the dust removing unit in response to a user's selection or an operation mode of the vacuum cleaner, thereby saving a power consumption of the dust removing unit.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: December 18, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yasuhiro Yuasa, Akihito Ito, Takafumi Ishibashi, Kazuhisa Morishita
  • Vacuum cleaner
    Publication number: 20040078921
    Abstract: A vacuum cleaner including an electric blower for generating suction air, a collecting unit for collecting dust contained in the suction air, a dust removing unit for removing dust adhered to the collecting unit, and a dust removing stop unit for stopping an operation of the dust removing unit. The dust removing stop unit stops the operation of the dust removing unit in response to a user's selection or an operation mode of the vacuum cleaner, thereby saving a power consumption of the dust removing unit.
    Type: Application
    Filed: October 15, 2003
    Publication date: April 29, 2004
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yasuhiro Yuasa, Akihito Ito, Takafumi Ishibashi, Kazuhisa Morishita