Patents by Inventor Koji ITASAKA

Koji ITASAKA 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).

  • SURVEYING DEVICE AND SURVEYING METHOD
    Publication number: 20230273022
    Abstract: A measurement device (100) that measures an absolute coordinate of a target object (300) provided inside an excavation ditch (200) includes: a coordinate measurement unit (10) that measures a position coordinate of a reference point in a vertical direction from the target object (300); a distance measurement unit (20) that measures the vertical distance from the reference point to the target object; and a calculation unit (30) that calculates the absolute coordinate of the target object based on the vertical distance and the position coordinate.
    Type: Application
    Filed: June 5, 2020
    Publication date: August 31, 2023
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yusuke YOSHIMURA, Koji ITASAKA, Kenji HIYOSHI, Daisaku NISHIYAMA, Akira ITO
  • PROTECTION MEMBER AND PROTECTION METHOD
    Publication number: 20230238791
    Abstract: A protective member (1) for protecting the cables (9) includes an inclined steel material (3) having an inclined upper surface (S) to a horizontal surface (H) above the cable (9) and an outer pipe (7) which is a buried pipe for accommodating the cables (9) and the inclined steel material (3).
    Type: Application
    Filed: October 7, 2020
    Publication date: July 27, 2023
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Daisaku NISHIYAMA, Kenji HIYOSHI, Koji ITASAKA