Patents by Inventor Jutaro NAGAISHI

Jutaro NAGAISHI 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).

  • Joint method for reinforcing bar
    Patent number: 8826627
    Abstract: In a joint method for a reinforcing bar using a reinforcement joint having a grout inlet at one end and a grout outlet at the other end, the grout inlet is fitted with a sealing body provided with a check valve, and the grout outlet is fitted with a sealing plug provided with a piston body which is moved outward when the reinforcement joint is filled with grout, whereby the filling of the reinforcement joint can be visually confirmed.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: September 9, 2014
    Assignee: Splice Sleeve Japan, Ltd.
    Inventors: Kouju Hongo, Masaaki Ase, Jutaro Nagaishi, Hironori Hamada
  • JOINT METHOD FOR REINFORCING BAR
    Publication number: 20140060721
    Abstract: In a joint method for a reinforcing bar using a reinforcement joint having a grout inlet at one end and a grout outlet at the other end, the grout inlet is fitted with a sealing body provided with a check valve, and the grout outlet is fitted with a sealing plug provided with a piston body protruded outward by the filling of a grout, whereby the filling of the grout can be visually confirmed.
    Type: Application
    Filed: December 18, 2012
    Publication date: March 6, 2014
    Applicant: SPLICE SLEEVE JAPAN, LTD.
    Inventors: Kouju HONGO, Masaaki ASE, Jutaro NAGAISHI, Hironori HAMADA