Patents by Inventor Naofumi NIIZEKI

Naofumi NIIZEKI 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 SEPARATION MATERIAL
    Publication number: 20240033188
    Abstract: A dental separation material which prevents adhesion of an impression material to a tooth is provided. The dental separation material includes a fatty acid and an aqueous solvent.
    Type: Application
    Filed: July 21, 2023
    Publication date: February 1, 2024
    Inventors: Yuki SHIBUYA, Atsushi FUJIMI, Naofumi NIIZEKI
  • METHOD OF MANUFACTURING POLYMERIZABLE COMPOSITION, POLYMERIZABLE COMPOSITION, AND CURED PRODUCT
    Publication number: 20230312768
    Abstract: A method of manufacturing a polymerizable composition is capable of imparting antibacterial properties and the like to a cured product of polymerizable composition without deteriorating an appearance of the cured product of the polymerizable composition. The method of manufacturing a polymerizable monomer wherein a solution, that a second polymerizable monomer is dissolved in a first solvent, is dispersed in a first polymerizable monomer, includes mixing the first polymerizable monomer, the second polymerizable monomer, and the first solvent. The first polymerizable monomer is a liquid, and the second polymerizable monomer is a solid.
    Type: Application
    Filed: May 22, 2023
    Publication date: October 5, 2023
    Inventors: Makoto TAKAHASHI, Naofumi NIIZEKI, Tomoki KOHNO, Yuri FUKUYO, Toshiki MORI, Yuki KASAI, Naoya FUNAYAMA
  • Method of manufacturing polymerizable composition, polymerizable composition, and cured product
    Patent number: 11697694
    Abstract: A method of manufacturing a polymerizable composition is capable of imparting antibacterial properties and the like to a cured product of polymerizable composition without deteriorating an appearance of the cured product of the polymerizable composition. The method of manufacturing a polymerizable monomer wherein a solution, that a second polymerizable monomer is dissolved in a first solvent, is dispersed in a first polymerizable monomer, includes mixing the first polymerizable monomer, the second polymerizable monomer, and the first solvent. The first polymerizable monomer is a liquid, and the second polymerizable monomer is a solid.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: July 11, 2023
    Assignee: GC Corporation
    Inventors: Makoto Takahashi, Naofumi Niizeki, Tomoki Kohno, Yuri Fukuyo, Toshiki Mori, Yuki Kasai, Naoya Funayama
  • DENTAL IMPRESSION MATERIAL AND COMBINATION IMPRESSION MATERIAL
    Publication number: 20230016218
    Abstract: A dental impression material for use in a combination impression method includes a base material paste containing an alginate and water, a gelling agent, and a curing material paste containing a water-insoluble liquid compound, wherein a consistency of a kneaded material formed of the base material paste and the curing material paste is 36 mm or more, and a compressive strength of a cured body is 0.35 MPa or more.
    Type: Application
    Filed: October 23, 2020
    Publication date: January 19, 2023
    Inventors: Yusuke NAKASHIMA, Naofumi NIIZEKI
  • PASTE CURING MATERIAL AND DENTAL ALGINATE IMPRESSION MATERIAL
    Publication number: 20220339081
    Abstract: One aspect of the present invention includes: a paste curing material used for dental alginate impression. The paste curing material includes a gelatinizing reactant; a poorly water-soluble liquid compound; and a smectite.
    Type: Application
    Filed: July 7, 2020
    Publication date: October 27, 2022
    Inventors: Yusuke NAKASHIMA, Naofumi NIIZEKI
  • METHOD OF MANUFACTURING POLYMERIZABLE COMPOSITION, POLYMERIZABLE COMPOSITION, AND CURED PRODUCT
    Publication number: 20210371549
    Abstract: A method of manufacturing a polymerizable composition is capable of imparting antibacterial properties and the like to a cured product of polymerizable composition without deteriorating an appearance of the cured product of the polymerizable composition. The method of manufacturing a polymerizable monomer wherein a solution, that a second polymerizable monomer is dissolved in a first solvent, is dispersed in a first polymerizable monomer, includes mixing the first polymerizable monomer, the second polymerizable monomer, and the first solvent. The first polymerizable monomer is a liquid, and the second polymerizable monomer is a solid.
    Type: Application
    Filed: May 24, 2021
    Publication date: December 2, 2021
    Inventors: Makoto TAKAHASHI, Naofumi NIIZEKI, Tomoki KOHNO, Yuri FUKUYO, Toshiki MORI, Yuki KASAI, Naoya FUNAYAMA
  • Dental alginate impression material
    Patent number: 10744071
    Abstract: According to an aspect of the present invention, a dental alginate impression material includes an alginate, calcium sulfate, and an aminocarboxylic acid compound.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: August 18, 2020
    Assignee: GC Corporation
    Inventors: Daisuke Usuki, Naofumi Niizeki, Tomohiro Kumagai
  • DENTAL ALGINATE IMPRESSION MATERIAL
    Publication number: 20190076336
    Abstract: According to an aspect of the present invention, a dental alginate impression material includes an alginate, calcium sulfate, and an aminocarboxylic acid compound.
    Type: Application
    Filed: December 1, 2016
    Publication date: March 14, 2019
    Inventors: Daisuke USUKI, Naofumi NIIZEKI, Tomohiro KUMAGAI