Patents by Inventor Tomoaki Kawamata

Tomoaki Kawamata 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).

  • Moving body tracking system, moving body tracking method, and program
    Patent number: 11990041
    Abstract: A moving body tracking system, comprising: a first camera that captures image(s) of moving body entering an intersection, a plurality of second cameras installed in a plurality of locations set as destinations of the moving body entering the intersection, a moving direction determining part that determines a moving direction of the moving body entering the intersection due to a change in direction of the moving body based on captured data by the first camera, and a path specifying part that selects the second camera based on the moving direction of the moving body, searches a frame in which the specified moving body was captured from captured data by the second camera, and specifies a path of the moving body.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: May 21, 2024
    Assignee: NEC CORPORATION
    Inventors: Atsushi Miura, Tomoaki Tanaka, Shinya Yamamoto, Jiro Kawamata, Masaru Yokoyama
  • Electron beam generator and electron beam applicator
    Patent number: 11302507
    Abstract: The present invention addresses the problem of providing an electron beam generator and an electron beam applicator for which maintenance is facilitated. The electron beam generator comprises a vacuum chamber, a photocathode holder, an activation vessel, and an internal motive power transmission member. The photocathode holder is capable of moving relative to the activation vessel.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: April 12, 2022
    Assignee: Photo electron Soul Inc.
    Inventors: Tomohiro Nishitani, Atsushi Koizumi, Tomoaki Kawamata, Haruka Shikano
  • ELECTRON BEAM GENERATOR AND ELECTRON BEAM APPLICATION DEVICE
    Publication number: 20210035766
    Abstract: The present invention addresses the problem of providing an electron beam generator and an electron beam applicator for which maintenance is facilitated. The electron beam generator comprises a vacuum chamber, a photocathode holder, an activation vessel, and an internal motive power transmission member. The photocathode holder is capable of moving relative to the activation vessel.
    Type: Application
    Filed: March 30, 2018
    Publication date: February 4, 2021
    Inventors: Tomohiro Nishitani, Atsushi Koizumi, Tomoaki Kawamata, Haruka Shikano