Patents by Inventor Hirotaka Yoshihara

Hirotaka Yoshihara 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).

  • Patent number: 8739971
    Abstract: A stopper storage case has openings and drill blade insertion paths. The openings are large enough to allow a spring-like engagement portion of the stopper to pass. Each drill blade insertion path is large enough to allow a drill blade to pass. Concave parts extend from the respective openings to the drill blade insertion paths and can store stoppers of different lengths. Each of the concave parts has a protrusion to be engaged in a groove in the outer peripheral surface of the stopper. Stopper holding overhangs formed at the top of each concave part are elastic enough not to interfere with insertion of the stopper from above into the concave part and removal of the stopper from inside the concave part.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: June 3, 2014
    Assignee: GC Corporation
    Inventors: Naoto Fujii, Hirotaka Yoshihara
  • Patent number: 8684177
    Abstract: In a hard material made stopper housing case to house a plurality of cylindrical stoppers for defining a drill blade entering depth of a dental implant fixture embedding hole at a jawbone when performing a dental implant treatment, the stopper has a spring-like locking part to be locked with a flange part projected from a shank part of a drill, the stopper housing case 1 has concave parts 2 provided in parallel and capable of respectively housing the stopper Y, and each of the concave parts 2 includes, at one side, a flange part insertion path 3 having a size preventing the spring-like locking part from falling out and being capable of inserting the flange part, and further includes, at another side opposite to the one side, a drill blade part insertion path 4 capable of inserting the blade part of the drill X.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: April 1, 2014
    Assignee: GC Corporation
    Inventors: Naoto Fujii, Hirotaka Yoshihara
  • Publication number: 20120074011
    Abstract: A stopper storage case has openings and drill blade insertion paths. The openings are large enough to allow a spring-like engagement portion of the stopper to pass. Each drill blade insertion path is large enough to allow a drill blade to pass. Concave parts extend from the respective openings to the drill blade insertion paths and can store stoppers of different lengths. Each of the concave parts has a protrusion to be engaged in a groove in the outer peripheral surface of the stopper. Stopper holding overhangs formed at the top of each concave part are elastic enough not to interfere with insertion of the stopper from above into the concave part and removal of the stopper from inside the concave part.
    Type: Application
    Filed: September 27, 2011
    Publication date: March 29, 2012
    Applicant: GC Corporation
    Inventors: Naoto FUJII, Hirotaka Yoshihara
  • Publication number: 20120028212
    Abstract: In a hard material made stopper housing case to house a plurality of cylindrical stoppers for defining a drill blade entering depth of a dental implant fixture embedding hole at a jawbone when performing a dental implant treatment, the stopper has a spring-like locking part to be locked with a flange part projected from a shank part of a drill, the stopper housing case 1 has concave parts 2 provided in parallel and capable of respectively housing the stopper Y, and each of the concave parts 2 includes, at one side, a flange part insertion path 3 having a size preventing the spring-like locking part from falling out and being capable of inserting the flange part, and further includes, at another side opposite to the one side, a drill blade part insertion path 4 capable of inserting the blade part of the drill X.
    Type: Application
    Filed: August 1, 2011
    Publication date: February 2, 2012
    Applicant: GC Corporation
    Inventors: Naoto FUJII, Hirotaka Yoshihara