Patents by Inventor Satoru Okayama

Satoru Okayama 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).

  • METHOD OF IDENTIFICATION OF CAUSE AND/OR LOCATION OF CAUSE OF OCCURRENCE OF SPRINGBACK
    Publication number: 20180075177
    Abstract: An apparatus for identification of a cause of occurrence of springback having a press forming analyzer for numerically analyzing forming conditions of press forming to obtain forming data of a press formed part, a springback analyzer for numerically analyzing said forming data to calculate a springback value, and a processor for processing at least one of a physical property value and physical property quantity data of part of the regions of said press formed part among forming data of said press formed part and making said springback analyzer calculate the springback value based on the results of said processing.
    Type: Application
    Filed: August 29, 2017
    Publication date: March 15, 2018
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Tohru YOSHIDA, Shunji HIWATASHI, Seiichi DAIMARU, Yasuharu TANAKA, Takashi ARIGA, Toshiyuki NIWA, Yukihisa KURIYAMA, Satoru OKAYAMA
  • Method of identification of cause and/or location of cause of occurrence of springback
    Patent number: 9767234
    Abstract: A method of identification of a cause of occurrence of springback comprising a press forming analysis step of numerically analyzing forming conditions of press forming to obtain forming data of a press formed part, a processing step of processing at least one of a physical property value and physical property quantity data of part of the regions of said press formed part among forming data of said press formed part, and a springback value calculation step of calculating a springback value based on the results of said processing.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: September 19, 2017
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Tohru Yoshida, Shunji Hiwatashi, Seiichi Daimaru, Yasuharu Tanaka, Takashi Ariga, Toshiyuki Niwa, Yukihisa Kuriyama, Satoru Okayama
  • METHOD OF IDENTIFICATION OF CAUSE OF OCCURRENCE OF SPRINGBACK, METHOD OF DISPLAY OF DEGREE OF EFFECT OF SPRINGBACK, METHOD OF IDENTIFICATION OF LOCATION OF CAUSE OF OCCURRENCE OF SPRINGBACK, METHOD OF IDENTIFICATION OF POSITION OF MEASURE AGAINST SPRINGBACK, APPARATUSES OF THESE, AND PROGRAMS OF THESE
    Publication number: 20100005845
    Abstract: A method of identification of a cause of occurrence of springback comprising a press forming analysis step of numerically analyzing forming conditions of press forming to obtain forming data of a press formed part, a processing step of processing at least one of a physical property value and physical property quantity data of part of the regions of said press formed part among forming data of said press formed part, and a springback value calculation step of calculating a springback value based on the results of said processing.
    Type: Application
    Filed: August 30, 2007
    Publication date: January 14, 2010
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Tohru Yoshida, Shunji Hawatashi, Seiichi Daimaru, Yasuharu Tanaka, Takashi Ariga, Toshiyuki Niwa, Yukihisa Kuriyama, Satoru Okayama