Patents by Inventor Makiko Imai

Makiko Imai 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).

  • Lead-free acid-resistant glass composition and glass paste comprised of the same
    Patent number: 7884547
    Abstract: Lead-free acid-resistant glass composition includes 5-25% of SiO2, 4-30% of B2O3, 7-30% of ZnO, 15-70% of Bi2O3, 0-15% of Al2O3, 5-20% of BaO in weight percentage, and being substantially lead-free.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: February 8, 2011
    Assignee: Noritake Co., Limited
    Inventors: Yuko Kato, Makiko Imai
  • "YO-HEN" like pattern decal and ceramic having "YO-HEN" like pattern
    Publication number: 20100247881
    Abstract: A “yo-hen” like pattern decal configured to form a “yo-hen” like pattern on a surface of a ceramic, includes a base material layer containing a first color including a flux, metal oxides Fe2O3, Cr2O3 and CO3O4 and a mat material; and an upper material layer containing a second color that erodes and reacts with the base material layer, and being overlappingly formed abutting with the base material layer in a pattern that is more coarsely scattered than the base material layer.
    Type: Application
    Filed: March 25, 2010
    Publication date: September 30, 2010
    Applicant: NORITAKE CO., LTD.
    Inventors: Makiko Imai, Toshiyuki Mikata
  • Lead-free acid-resistant glass composition and glass paste comprised of the same
    Publication number: 20080185962
    Abstract: Lead-free acid-resistant glass composition includes 5-25% of SiO2, 4-30% of B2O3, 7-30% of ZnO, 15-70% of Bi2O3, 0-15% of Al2O3, 5-20% of BaO in weight percentage, and being substantially lead-free.
    Type: Application
    Filed: February 1, 2008
    Publication date: August 7, 2008
    Applicant: NORITAKE CO., LIMITED
    Inventors: Yuko Kato, Makiko Imai