Patents Assigned to YAMAMOTO FOUNDATION WORKS CO., LTD.
  • Patent number: 9117556
    Abstract: A method for waste burial includes preparing metallic containers (11) for waste storage each being configured to contain drum cans (12) in each of which waste is contained, and being sealed; drilling a vertical hole (26) to bury a plurality of the containers (11) for waste storage in a ground (20), thereafter disposing a steel pipe (27) in the vertical hole (26); providing a concrete base (30) on a lower portion of the steel pipe (27), thereafter disposing the container (11) for waste storage on the concrete base (30), and thereon stacking a plurality of the containers (11) for waste storage; and sealing an upper portion of the uppermost container (11) for waste storage with a concrete (34), after stacking the containers (11) for waste storage from the ground (20) to a predetermined depth.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: August 25, 2015
    Assignee: YAMAMOTO FOUNDATION WORKS CO., LTD.
    Inventor: Takekazu Yamamoto
  • Patent number: D927558
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: August 10, 2021
    Assignee: YAMAMOTO FOUNDATION WORKS CO., LTD.
    Inventor: Takekazu Yamamoto
  • Patent number: D949928
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: April 26, 2022
    Assignee: YAMAMOTO FOUNDATION WORKS CO., LTD.
    Inventor: Takekazu Yamamoto
  • Patent number: D949929
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: April 26, 2022
    Assignee: YAMAMOTO FOUNDATION WORKS CO., LTD.
    Inventor: Takekazu Yamamoto
  • Patent number: D983232
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: April 11, 2023
    Assignee: YAMAMOTO FOUNDATION WORKS CO., LTD.
    Inventor: Takekazu Yamamoto