Patents by Inventor Naotake Matsuda

Naotake Matsuda 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: 11474250
    Abstract: A distance image measuring device includes: a light source; an image sensor receiving a reflected light generated by reflection of a projected light from an object; a housing accommodating the light source and the image sensor; a window provided in the housing and through which the projected light and the reflected light pass; a distance calculation section calculating a distance to the object; a reflection state switching member disposed on an optical path of the projected light; and an abnormality determination section determining whether there is an abnormality in a function of detecting the object.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: October 18, 2022
    Assignee: DENSO WAVE INCORPORATED
    Inventor: Naotake Matsuda
  • Publication number: 20200249358
    Abstract: A distance image measuring device includes: a light source; an image sensor receiving a reflected light generated by reflection of a projected light from an object; a housing accommodating the light source and the image sensor; a window provided in the housing and through which the projected light and the reflected light pass; a distance calculation section calculating a distance to the object; a reflection state switching member disposed on an optical path of the projected light; and an abnormality determination section determining whether there is an abnormality in a function of detecting the object.
    Type: Application
    Filed: January 27, 2020
    Publication date: August 6, 2020
    Inventor: Naotake MATSUDA
  • Publication number: 20080299866
    Abstract: The invention provides a bubble generating tool to generate bubbles continuously and a bubble generating toy having the bubble generating tool which generates bubbles continuously and can produce new entertaining effect. The bubble generating tool is comprised of a liquid container for filling a soap solution and a film forming part for forming a bubble film, wherein a pinhole which is small enough so that the soap solution does not flow out is formed on the wall part of the liquid container.
    Type: Application
    Filed: November 27, 2007
    Publication date: December 4, 2008
    Applicant: K2N, Inc.
    Inventors: Kyoko Obase, Michio Tanabe, Naotake Matsuda