Patents by Inventor Ryohichi SOEJIMA

Ryohichi SOEJIMA 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).

  • Self-propelled cleaner
    Patent number: 9414731
    Abstract: A self-propelled cleaner including: a movement unit configured to move a housing; a blower unit configured to generate an air current for sucking dust on a floor surface into the housing; a dust detection unit configured to detect dust contained in the air current; and a control unit configured to control the movement unit and/or the blower unit to select a cleaning mode according to a detection result of the dust detection unit, wherein the control unit is capable of changing a threshold value for selecting the cleaning mode.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: August 16, 2016
    Assignee: Sharp Kabushiki Kabushiki
    Inventor: Ryohichi Soejima
  • SELF-PROPELLED CLEANER
    Publication number: 20160000288
    Abstract: A self-propelled cleaner including: a movement unit configured to move a housing; a blower unit configured to generate an air current for sucking dust on a floor surface into the housing; a dust detection unit configured to detect dust contained in the air current; and a control unit configured to control the movement unit and/or the blower unit to select a cleaning mode according to a detection result of the dust detection unit, wherein the control unit is capable of changing a threshold value for selecting the cleaning mode.
    Type: Application
    Filed: February 21, 2014
    Publication date: January 7, 2016
    Inventor: Ryohichi SOEJIMA