Patents by Inventor Kiyotsugu Hrada

Kiyotsugu Hrada 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).

  • PUSH RIVET
    Publication number: 20120148365
    Abstract: A push rivet used to secure members to be mounted includes a rivet body and a pin. Rivet body includes at least a flange portion provided with an insertion hole; a pair of first divided leg portions projecting from the flange portion to an end side; at least a pair of second divided leg portions projecting from the flange portion to an end side to form slits between the pair of second divided leg portions and the pair of first divided leg portions; and bulging portions respectively projecting from end parts of the first divided leg portions and the second divided leg portions to an inner side, the bulging portions having tapered surfaces inclined to project inwardly to the end side.
    Type: Application
    Filed: July 29, 2010
    Publication date: June 14, 2012
    Applicant: NIFCO INC.
    Inventors: Kiyotsugu Hrada, Tomoaki Aoshima