Patents by Inventor Toru Nikaido

Toru Nikaido 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).

  • Dental polymerizable composition
    Patent number: 7683103
    Abstract: A dental polymerizable composition comprising (a) a fluorine compound comprising a chain polymer having a main chain comprising a monomer unit having a hydrophilic group, and terminal groups comprising a fluoroalkyl group at each of both ends of the main chain; (b) a polymerizable monomer; and (c) a polymerization initiator.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: March 23, 2010
    Assignee: Kuraray Medical Inc.
    Inventors: Hideo Sawada, Junji Tagami, Toru Nikaido, Khairul Matin, Yoshinori Kadoma, Eiichi Masuhara, Koichi Okada, Junichi Yamauchi
  • Dental restoration and method for producing the same, and porcelain paste for dental restoration
    Publication number: 20090215010
    Abstract: Provided is a dental restoration having improved conformity and bonding to a foundation. A method for producing such a dental restoration and a porcelain paste for the dental restoration are also provided. The dental restoration includes a ceramic framework and a porcelain layer deposited at least on the inner surface of the ceramic framework for being bonded by a dental adhesive to the outer surface of an abutment tooth in the mouth. In one preferred embodiment, the ceramic framework is formed of a zirconium oxide ceramic. In another preferred embodiment, the inner surface of the porcelain layer is silane-coupling-treated.
    Type: Application
    Filed: February 23, 2009
    Publication date: August 27, 2009
    Inventors: Junji Tagami, Masaomi Ikeda, Toru Nikaido
  • Dental Polymerizable Composition
    Publication number: 20080039592
    Abstract: A dental polymerizable composition comprising (a) a fluorine compound comprising a chain polymer having a main chain comprising a monomer unit having a hydrophilic group, and terminal groups comprising a fluoroalkyl group at each of both ends of the main chain; (b) a polymerizable monomer; and (c) a polymerization initiator.
    Type: Application
    Filed: August 11, 2005
    Publication date: February 14, 2008
    Applicant: Kuraray Medical Inc.
    Inventors: Hideo Sawada, Junji Tagami, Toru Nikaido, Khairul Matin, Yoshinori Kadoma, Eiichi Masuhara, Koichi Okada, Junichi Yamauchi