Patents by Inventor Naoki SHINOZAKI

Naoki SHINOZAKI 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).

  • Zirconia sintered body and use thereof
    Patent number: 9919971
    Abstract: To provide a zirconia sintered body which has at least two different color tones such as white and black, and which has no color bleeding or no gap between sintered bodies. A zirconia sintered body comprising a first zirconia sintered body and a second zirconia sintered body, characterized in that the first zirconia sintered body is a zirconia sintered body containing aluminum oxide; the second zirconia sintered body is a zirconia sintered body containing a spinel oxide; a bonding plane is formed between the first zirconia sintered body and the second zirconia sintered body; and it has no gap or no color bleeding at the bonding plane.
    Type: Grant
    Filed: December 25, 2014
    Date of Patent: March 20, 2018
    Assignee: TOSOH CORPORATION
    Inventors: Hitoshi Nagayama, Naoki Shinozaki, Takeshi Ito, Koji Tsukuma, Shoichi Yamauchi
  • ZIRCONIA SINTERED BODY AND USE THEREOF
    Publication number: 20160347666
    Abstract: To provide a zirconia sintered body which has at least two different color tones such as white and black, and which has no color bleeding or no gap between sintered bodies. A zirconia sintered body comprising a first zirconia sintered body and a second zirconia sintered body, characterized in that the first zirconia sintered body is a zirconia sintered body containing aluminum oxide; the second zirconia sintered body is a zirconia sintered body containing a spinel oxide; a bonding plane is formed between the first zirconia sintered body and the second zirconia sintered body; and it has no gap or no color bleeding at the bonding plane.
    Type: Application
    Filed: December 25, 2014
    Publication date: December 1, 2016
    Applicant: TOSOH CORPORATION
    Inventors: Hitoshi NAGAYAMA, Naoki SHINOZAKI, Takeshi ITO, Koji TSUKUMA, Shoichi YAMAUCHI