Patents by Inventor Kazutoki Otake

Kazutoki Otake 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: 8346384
    Abstract: A cutting machine of the present invention for cutting a material to be cut, which is placed on a table, with a rotating saw blade, includes an imaging device, a determination device and a stopping device. The imaging device takes a video image of an area on the table and outputs the video image. The determination device makes a determination on whether or not a number of pixels of a specific color, which is previously set, exceeds a predetermined threshold in one frame of image constituting the video image outputted from the imaging device. The stopping device stops rotation of the saw blade when it is determined by the determination device that the number of pixels of the specific color exceeds the predetermined threshold.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: January 1, 2013
    Assignee: Makita Corporation
    Inventors: Kazuhito Murakami, Kazutoki Otake, Hiroshi Murata, Yutaka Matsunaga, Takeshi Nishimiya
  • Publication number: 20100011926
    Abstract: A cutting machine of the present invention for cutting a material to be cut, which is placed on a table, with a rotating saw blade, includes an imaging device, a determination device and a stopping device. The imaging device takes a video image of an area on the table and outputs the video image. The determination device makes a determination on whether or not a number of pixels of a specific color, which is previously set, exceeds a predetermined threshold in one frame of image constituting the video image outputted from the imaging device. The stopping device stops rotation of the saw blade when it is determined by the determination device that the number of pixels of the specific color exceeds the predetermined threshold.
    Type: Application
    Filed: June 19, 2009
    Publication date: January 21, 2010
    Applicant: MAKITA CORPORATION
    Inventors: Kazuhito Murakami, Kazutoki Otake, Hiroshi Murata, Yutaka Matsunaga, Takeshi Nishimiya