Patents by Inventor Kazunori Kitamori

Kazunori Kitamori 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).

  • Drill having multiple flanks
    Patent number: 8851808
    Abstract: A drill capable of suppressing inter-layer peeling (delamination) while keeping hole diameter accuracy even if the number of holed to be worked increases is provided. The drill includes a first flank which has a ridge line forming a cutting edge, a second flank which is adjacent to the first flank and has a ridge line forming a land portion, and a third flank which is adjacent to the first flank and has a ridge line forming a chisel edge. The drill further includes a fourth flank which is surrounded by a ridge line forming the first flank, a ridge line forming the third flank, and a trough line forming the second flank.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: October 7, 2014
    Assignee: Nachi-Fujikoshi Corp.
    Inventors: Kazunori Kitamori, Toru Sekiguchi
  • DRILL HAVING MULTIPLE FLANKS
    Publication number: 20120121350
    Abstract: A drill capable of suppressing inter-layer peeling (delamination) while keeping hole diameter accuracy even if the number of holed to be worked increases is provided. The drill includes a first flank which has a ridge line forming a cutting edge, a second flank which is adjacent to the first flank and has a ridge line forming a land portion, and a third flank which is adjacent to the first flank and has a ridge line forming a chisel edge.
    Type: Application
    Filed: November 16, 2011
    Publication date: May 17, 2012
    Applicant: NACHI-FUJIKOSHI CORP.
    Inventors: Kazunori Kitamori, Toru Sekiguchi