Patents by Inventor Akikazu UEYAMA

Akikazu UEYAMA 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).

  • Patent number: 9687410
    Abstract: A walking assistance device includes: a base body; a driving unit that moves the base body; a distance detection unit that detects a distance from the base body to a user; a safety distance range setting unit that set, as a safety distance range, a distance range from the base body to the user during safe walk of the user; a walking state determination unit that determines whether or not the distance detected by the distance detection unit is out of the safety distance range; and a control unit that controls the driving unit when the walking state determination unit determines that the distance is out of the safety distance range. The walking assistance device detects that the distance is narrower than a predetermined distance, wherein the driving unit is controlled when the approach determination unit detects that the distance is narrower than the predetermined distance.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: June 27, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takehide Matsumoto, Hideaki Fujita, Akikazu Ueyama, Yuuki Matsuoka
  • Publication number: 20160106618
    Abstract: A walking assistance device includes: a base body; a driving unit that moves the base body; a distance detection unit that detects a distance from the base body to a user; a safety distance range setting unit that set, as a safety distance range, a distance range from the base body to the user during safe walk of the user; a walking state determination unit that determines whether or not the distance detected by the distance detection unit is out of the safety distance range; and a control unit that controls the driving unit when the walking state determination unit determines that the distance is out of the safety distance range. The walking assistance device detects that the distance is narrower than a predetermined distance, wherein the driving unit is controlled when the approach determination unit detects that the distance is narrower than the predetermined distance.
    Type: Application
    Filed: July 23, 2014
    Publication date: April 21, 2016
    Inventors: Takehide MATSUMOTO, Hideaki FUJITA, Akikazu UEYAMA, Yuuki MATSUOKA