Patents by Inventor Akihito Itoh

Akihito Itoh 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