Patents by Inventor Toru TSUNOURA

Toru TSUNOURA 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: 9969652
    Abstract: A sintered body of the present invention contains yttrium oxyfluoride. The yttrium oxyfluoride is preferably YOF and/or Y5O4F7. The sintered body of the present invention preferably contains 50% by mass or more of yttrium oxyfluoride. The sintered body of the present invention has a relative density of preferably 70% or more and an open porosity of preferably 10% or less. Furthermore, the sintered body of the present invention has a three-point bending strength of preferably 10 MPa or more and 300 MPa or less.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: May 15, 2018
    Assignee: NIPPON YITRIUM CO., LTD.
    Inventors: Toyohiko Yano, Katsumi Yoshida, Toru Tsunoura, Yuji Shigeyoshi
  • Publication number: 20170305796
    Abstract: A sintered body of the present invention contains yttrium oxyfluoride. The yttrium oxyfluoride is preferably YOF and/or Y5O4F7. The sintered body of the present invention preferably contains 50% by mass or more of yttrium oxyfluoride. The sintered body of the present invention has a relative density of preferably 70% or more and an open porosity of preferably 10% or less. Furthermore, the sintered body of the present invention has a three-point bending strength of preferably 10 MPa or more and 300 MPa or less.
    Type: Application
    Filed: November 18, 2015
    Publication date: October 26, 2017
    Applicant: NIPPON YTTRIUM CO., LTD.
    Inventors: Toyohiko YANO, Katsumi YOSHIDA, Toru TSUNOURA, Yuji SHIGEYOSHI