Patents by Inventor Tsutomu Hiromasa

Tsutomu Hiromasa 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: 11618278
    Abstract: A method for manufacturing a vehicle wheel of the present invention includes a step of performing an edge treatment including deburring of a spoke edge generated by lathe processing. For the edge treatment, a cutting tool as hale type tool for non-rotational processing is used, and the cutting tool is provided with a processing blade having a recessed blade edge having an R shape or polygonal C shape protruding from an outer peripheral surface on a side of a tip end of the rod-shaped cutting tool connected to a rod-shaped shank portion. A processing machine capable of CNC of four or more axes is used. With the cutting tool standing upright against a disc surface, the blade edge of the processing blade is applied to the spoke edge, and the cutting tool is continuously moved relative to the spoke edge along a ridgeline of the spoke edge for scraping.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: April 4, 2023
    Assignee: RAYS ENGINEERING CO., LTD
    Inventors: Shujiro Inatani, Kazunori Ito, Tsutomu Hiromasa, Tomoyuki Murakami
  • Publication number: 20210260916
    Abstract: A method for manufacturing a vehicle wheel of the present invention includes a step of performing an edge treatment including deburring of a spoke edge generated by lathe processing. For the edge treatment, a cutting tool as hale type tool for non-rotational processing is used, and the cutting tool is provided with a processing blade having a recessed blade edge having an R shape or polygonal C shape protruding from an outer peripheral surface on a side of a tip end of the rod-shaped cutting tool connected to a rod-shaped shank portion. A processing machine capable of CNC of four or more axes is used. With the cutting tool standing upright against a disc surface, the blade edge of the processing blade is applied to the spoke edge, and the cutting tool is continuously moved relative to the spoke edge along a ridgeline of the spoke edge for scraping.
    Type: Application
    Filed: December 1, 2020
    Publication date: August 26, 2021
    Inventors: Shujiro Inatani, Kazunori Ito, Tsutomu Hiromasa, Tomoyuki Murakami
  • Publication number: 20160001591
    Abstract: A vehicle wheel decoration method for decorating a three-dimensionally-shaped wheel design surface of a vehicle wheel provided with a rim and a disk having a plurality of spokes, the wheel design surface being visible from the outside in a state where the vehicle wheel is mounted on a vehicle. Causing a dispenser to move in respective directions of three axes or five axes along and relative to the wheel design surface in accordance with an NC program; and discharging and applying a solvent paint to the wheel design surface while controlling both a feed speed and a paint discharge amount, to form a decorative layer on the wheel design surface.
    Type: Application
    Filed: June 22, 2015
    Publication date: January 7, 2016
    Inventors: Shujiro Inatani, Kazunori Ito, Tsutomu Hiromasa, Tomoyuki Murakami