Patents by Inventor Satoshi MIZUSHINA

Satoshi MIZUSHINA 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).

  • Hot press machine, hot press method, and method of manufacturing vehicle body component
    Patent number: 10562089
    Abstract: The invention provides a hot press machine which reduces the cooling time of a superposed member and enhances the productivity. A hot press machine of the invention includes a first die, a second die disposed on the first die, a first refrigerant flow passage for guiding a refrigerant into the first die or the second die, a plurality of grooves formed in a press forming surface of the first die or the second die, and a second refrigerant flow passage for guiding a refrigerant into the grooves. The hot press machine performs press forming and quenching by pressing a superposed member between the first die and the second die, the superposed member comprising a first steel sheet and a second steel sheet superposed and joined on the first steel sheet.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: February 18, 2020
    Assignee: TOA Industries Co., Ltd.
    Inventors: Yasutaka Suzuki, Tadashi Iwanuma, Satoshi Mizushina
  • HOT PRESS MACHINE, HOT PRESS METHOD, AND METHOD OF MANUFACTURING VEHICLE BODY COMPONENT
    Publication number: 20180021833
    Abstract: The invention provides a hot press machine which reduces the cooling time of a superposed member and enhances the productivity. A hot press machine of the invention includes a first die, a second die disposed on the first die, a first refrigerant flow passage for guiding a refrigerant into the first die or the second die, a plurality of grooves formed in a press forming surface of the first die or the second die, and a second refrigerant flow passage for guiding a refrigerant into the grooves. The hot press machine performs press forming and quenching by pressing a superposed member between the first die and the second die, the superposed member comprising a first steel sheet and a second steel sheet superposed and joined on the first steel sheet.
    Type: Application
    Filed: July 6, 2017
    Publication date: January 25, 2018
    Applicant: TOA Industries Co., Ltd.
    Inventors: Yasutaka SUZUKI, Tadashi IWANUMA, Satoshi MIZUSHINA