Patents by Inventor Seiji NOBATA

Seiji NOBATA 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).

  • Heat treatment system and heat treatment method
    Patent number: 10246756
    Abstract: The present invention addresses the issue of providing a heat treatment system and a heat treatment method whereby the inner circumference of a cylindrical workpiece can be reliably cooled regardless of the dimensions or shape of the workpiece and productivity can be improved, during quenching of the inner circumference of the cylindrical workpiece. The present invention has: rotating devices 18, 19 that rotate the cylindrical workpiece 11: holding members 181, 191 that hold the cylindrical workpiece 11 at a prescribed position; a heating member 16 that heats the cylindrical workpiece 11 from the inner circumferential surface side; a cooling device 17 that injects cooling fluid and cools the cylindrical workpiece 11 from the outer circumferential surface side; and a injecting device 34 provided at a position separated from the cooling device 17 and which inject the cooling fluid.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: April 2, 2019
    Assignee: TOPY KOGYO KABUSHIKI KAISHA
    Inventors: Weidong Xue, Nobuyuki Suga, Kenzo Uchida, Ryuhei Masuda, Daisuke Nojo, Seiji Nobata, Kiyokazu Niwa, Yugo Takeuchi
  • HEAT TREATMENT SYSTEM AND HEAT TREATMENT METHOD
    Publication number: 20170016082
    Abstract: The present invention addresses the issue of providing a heat treatment system and a heat treatment method whereby the inner circumference of a cylindrical workpiece can be reliably cooled regardless of the dimensions or shape of the workpiece and productivity can be improved, during quenching of the inner circumference of the cylindrical workpiece. The present invention has: rotating devices 18, 19 that rotate the cylindrical workpiece 11: holding members 181, 191 that hold the cylindrical workpiece 11 at a prescribed position; a heating member 16 that heats the cylindrical workpiece 11 from the inner circumferential surface side; a cooling device 17 that injects cooling fluid and cools the cylindrical workpiece 11 from the outer circumferential surface side; and a injecting device 34 provided at a position separated from the cooling device 17 and which inject the cooling fluid.
    Type: Application
    Filed: June 4, 2015
    Publication date: January 19, 2017
    Applicant: TOPY KOGYO KABUSHIKI KAISHA
    Inventors: Weidong XUE, Nobuyuki SUGA, Kenzo UCHIDA, Ryuhei MASUDA, Daisuke NOJO, Seiji NOBATA, Kiyokazu NIWA, Yugo TAKEUCHI