Patents by Inventor Tomohiro SEKIKAWA

Tomohiro SEKIKAWA 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).

  • Biopsy needle
    Patent number: 9610067
    Abstract: A needle tip section of a biopsy needle includes a first beveled surface having a plane extended across a tube axis of a tubular section, a second beveled surface adjacent to and forming an angle with the first, having a plane adjacent to an inner circumferential surface of the tubular section, a third beveled surface adjacent to and forming an angle with the first beveled surface, opposite the second, with an opening portion interposed therebetween and having a plane adjacent to the inner circumferential surface of the tubular section, a first boundary line between the first and second beveled surfaces, and a second boundary line between the first and third beveled surfaces, and the first and second boundary lines are non-parallel straight lines having an interval that gradually increases in a direction from the second toward the first end portion in a tube axis direction of the tubular section.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: April 4, 2017
    Assignee: OLYMPUS CORPORATION
    Inventor: Tomohiro Sekikawa
  • BIOPSY NEEDLE
    Publication number: 20160367232
    Abstract: A needle tip section of a biopsy needle includes a first beveled surface having a plane extended across a tube axis of a tubular section, a second beveled surface adjacent to and forming an angle with the first, having a plane adjacent to an inner circumferential surface of the tubular section, a third beveled surface adjacent to and forming an angle with the first beveled surface, opposite the second, with an opening portion interposed therebetween and having a plane adjacent to the inner circumferential surface of the tubular section, a first boundary line between the first and second beveled surfaces, and a second boundary line between the first and third beveled surfaces, and the first and second boundary lines are non-parallel straight lines having an interval that gradually increases in a direction from the second toward the first end portion in a tube axis direction of the tubular section.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 22, 2016
    Applicant: OLYMPUS CORPORATION
    Inventor: Tomohiro SEKIKAWA
  • Biopsy needle
    Patent number: D885572
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: May 26, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Tomohiro Sekikawa, Mitsunori Kubo, Takayuki Kikuchi, Aya Mori, Miho Naka, Yoshino Nagasuka