Patents by Inventor Youhei YAMAIZUMI

Youhei YAMAIZUMI 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).

  • Laser processing method and laser processing machine
    Patent number: 10086476
    Abstract: In a laser processing method for carrying out hole-forming on a plate-shaped workpiece, [A] a hole is formed by laser-cutting the workpiece along an outline of the hole to be formed, [B] a laser processing head is moved with respect to the workpiece after forming the hole, and [C] a cutout piece inside the outline of the hole is dropped off by moving the laser processing head while jetting assist gas from the laser processing head to the cutout piece inside the outline. According to the laser processing method, the cutout piece generated when carrying out hole-forming by laser processing can be prevented from getting stuck in a hole.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: October 2, 2018
    Assignee: AMADA HOLDINGS CO., LTD.
    Inventors: Shoichi Imaya, Youhei Yamaizumi
  • LASER PROCESSING METHOD AND LASER PROCESSING MACHINE
    Publication number: 20160297033
    Abstract: In a laser processing method for carrying out hole-forming on a plate-shaped workpiece, [A] a hole is formed by laser-cutting the workpiece along an outline of the hole to be formed, [B] a laser processing head is moved with respect to the workpiece after forming the hole, and [C] a cutout piece inside the outline of the hole is dropped off by moving the laser processing head while jetting assist gas from the laser processing head to the cutout piece inside the outline. According to the laser processing method, the cutout piece generated when carrying out hole-forming by laser processing can be prevented from getting stuck in a hole.
    Type: Application
    Filed: November 7, 2014
    Publication date: October 13, 2016
    Applicant: AMADA HOLDINGS CO., LTD.
    Inventors: Shoichi IMAYA, Youhei YAMAIZUMI