Patents by Inventor Mikako Hayashi

Mikako Hayashi 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).

  • Publication number: 20220211586
    Abstract: A root canal filling material composition comprising a lithium salt has higher healing promoting activity than conventional root canal filling material compositions. Preferable compositions are (1) a composition further comprising a calcium hydroxide, (2) a combination composition of a paste A containing a higher fatty acid and rosin and a paste B containing magnesium oxide and a vegetable oil, and one or both of the paste A and the paste B comprise the lithium salt, and (3) a combination composition of a paste A and a paste B and hardens by mixing the paste A and the paste B, one or both of the paste A and the paste B comprise the lithium salt, one or both of the paste A and the paste B comprise a glass powder, the glass powder contains calcium oxide and silicon dioxide in a total amount of 50 to 100% by weight relative to a total amount of the glass powder, and in the glass powder, a weight ratio of the calcium oxide to the silicon dioxide (calcium oxide:silicon dioxide) is 6:4 to 3:7.
    Type: Application
    Filed: May 10, 2019
    Publication date: July 7, 2022
    Applicant: NIPPON SHIKA YAKUHIN CO., LTD.
    Inventors: Kazuyoshi YOKOTA, Emi SAKANO, Shousaku ITOH, Mikako HAYASHI
  • Publication number: 20120270185
    Abstract: The present invention provides a dental apparatus (1) for strengthening a tooth, comprising a heating means (15) for heating the dentin of the tooth. The dental apparatus (1) of the present invention can safely and effectively reinforce a tooth from which the dental pulp has been removed.
    Type: Application
    Filed: June 26, 2012
    Publication date: October 25, 2012
    Applicants: HIROSHIMA UNIVERSITY, OSAKA UNIVERSITY
    Inventors: Mikako Hayashi, Shigeyuki Ebisu, Atsushi Sugeta
  • Publication number: 20100323319
    Abstract: The present invention provides a dental apparatus (1) for strengthening a tooth, comprising a heating means (15) for heating the dentin of the tooth. The dental apparatus (1) of the present invention can safely and effectively reinforce a tooth from which the dental pulp has been removed.
    Type: Application
    Filed: April 13, 2007
    Publication date: December 23, 2010
    Inventors: Mikako Hayashi, Shigeyuki Ebisu, Atsushi Sugeta