Patents by Inventor Shinya Majima

Shinya Majima 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).

  • Finish depth turning insert comprising a chip control arrangement
    Patent number: 9409237
    Abstract: A finish depth turning insert includes a chip control arrangement. The chip control arrangement includes a medium protuberance for medium depth machining operations and a finish protuberance for finish depth machining operations. The finish protuberance is located between the medium protuberance and a corner of the insert. The finish protuberance also includes a front finish deflector surface and first and second relief surfaces extending towards the medium protuberance from the front finish deflector surface.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: August 9, 2016
    Assignee: Iscar, Ltd.
    Inventors: Shinya Majima, Daniel Hen
  • Finish Depth Turning Insert Comprising A Chip Control Arrangement
    Publication number: 20150078844
    Abstract: A finish depth turning insert includes a chip control arrangement. The chip control arrangement includes a medium protuberance for medium depth machining operations and a finish protuberance for finish depth machining operations. The finish protuberance is located between the medium protuberance and a corner of the insert. The finish protuberance also includes a front finish deflector surface and first and second relief surfaces extending towards the medium protuberance from the front finish deflector surface.
    Type: Application
    Filed: September 16, 2013
    Publication date: March 19, 2015
    Applicant: Iscar, Ltd.
    Inventors: Shinya Majima, Daniel Hen
  • Cutting insert having chip breaker
    Patent number: 8876441
    Abstract: A cutting insert has an approximately polygonal plate shape with a cutting edge formed on a intersection portion between a rake face and a flank. A chip breaker is formed on the rake face, and a chip-breaker concave portion is defined by an inclined surface which is curved in a concave manner and which is smoothly connected to the bottom surface portion while being gradually inclined toward the bottom surface portion, from a peripheral edge portion on a nose portion side to a bottom surface portion.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: November 4, 2014
    Assignee: Tungaloy Corporation
    Inventor: Shinya Majima