Patents by Inventor Kazuko Takada

Kazuko Takada 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).

  • Method of isolating and selection medium
    Patent number: 7169579
    Abstract: A method of selectively isolating Streptococcus sobrinus alone out of oral streptococci including mutans streptococci, and a medium for selecting Streptococcus sobrinus are developed. A method of substantially isolating Streptococcus sobrinus alone by the addition of a monobactam antibiotic to a medium on which only oral streptococci including mutans streptococci can grow; and a selective medium for Streptococcus sobrinus prepared by the addition of a monobactam antibiotic to a medium on which only oral streptococci including mutans streptococci can grow, are provided with.
    Type: Grant
    Filed: July 4, 2002
    Date of Patent: January 30, 2007
    Assignee: Nihon University
    Inventors: Masatomo Hirasawa, Kazuko Takada
  • Method of isolating streptococcus sobrinus and selection medium
    Publication number: 20040185523
    Abstract: A method of selectively isolating Streptococcus sobrinus alone out of oral streptococci including mutans streptococci, and a medium for selecting Streptococcus sobrinus are developed.
    Type: Application
    Filed: May 13, 2004
    Publication date: September 23, 2004
    Inventors: Masatomo Hirasawa, Kazuko Takada
  • Porphyromonas gingivicanis strain ATCC 55562
    Patent number: 5710039
    Abstract: A novel species of microorganism of the genus Porphyromonas isolated from the gingival crevicular fluids of beagles, designated Porphyromonas gingivicanis and deposited with American Type Culture Collection (ATCC) under accession number 55562.
    Type: Grant
    Filed: August 30, 1995
    Date of Patent: January 20, 1998
    Assignee: Nihon University (Educational Foundationn)
    Inventors: Masatomo Hirasawa, Kazuko Takada
  • Porphyromonas crevioricanis species of microorganism
    Patent number: 5563063
    Abstract: A novel species of microorganism of the genus Porphyromonas isolated from the gingival crevicular fluids of beagles, designated Porphyromonas crevioricanis and deposited with American Type Culture Collection (ATCC) under accession number 55563.
    Type: Grant
    Filed: August 30, 1995
    Date of Patent: October 8, 1996
    Assignee: Nihon University (Educational Foundation)
    Inventors: Masatomo Hirasawa, Kazuko Takada