Patents by Inventor Issei UMETSU

Issei UMETSU 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).

  • Bag body and method for producing bag body
    Patent number: 12110647
    Abstract: A bag body 10 is filled with stones 12. A restraining rope 14 extends from the bottom of the bag body 10 through the center of the bag body 10 and is pulled up together with a lifting rope 15 to lift the bag body 10. The bag body 10 is within a predetermined range centered about a curve given by W/H1 (diameter/restraining rope length)=15.898×(W/W0)2?17.784×(W/W0)+6.6314, where W represents the diameter of the bag body 10, H1 represents the length of the restraining rope 14 from the bottom portion of the bag body 10 to a root position of a mouth closing rope 13 of a bag material through the center of the bag body 10, and W0 represents the diameter when the bag material 11 is filled with the filling material 12.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: October 8, 2024
    Assignee: KYOWA CO., LTD.
    Inventors: Satoshi Inagaki, Hidehiro Fujita, Issei Umetsu, Hirofumi Koyama, Masataka Kinoshita, Koji Kajiwara, Hironori Kawamura
  • BAG BODY AND METHOD FOR PRODUCING BAG BODY
    Publication number: 20240229397
    Abstract: A bag body 10 is filled with stones 12. A restraining rope 14 extends from the bottom of the bag body 10 through the center of the bag body 10 and is pulled up together with a lifting rope 15 to lift the bag body 10. The bag body 10 is within a predetermined range centered about a curve given by W/H1 (diameter/restraining rope length)=15.898×(W/W0)2?17.784×(W/W0)+6.6314, where W represents the diameter of the bag body 10, H1 represents the length of the restraining rope 14 from the bottom portion of the bag body 10 to a root position of a mouth closing rope 13 of a bag material through the center of the bag body 10, and W0 represents the diameter when the bag material 11 is filled with the filling material 12.
    Type: Application
    Filed: May 7, 2021
    Publication date: July 11, 2024
    Applicants: KAJIMA CORPORATION, FUDO TETRA CORPORATION, KYOWA CO., LTD.
    Inventors: Satoshi INAGAKI, Hidehiro FUJITA, Issei UMETSU, Hirofumi KOYAMA, Masataka KINOSHITA, Koji KAJIWARA, Hironori KAWAMURA