Patents by Inventor Junko Shirai

Junko Shirai 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).

  • Anti-fading agent
    Publication number: 20030215550
    Abstract: The present invention provide an anti-fading agent for a pigment, characterized by comprising as active ingredients at least one oligosaccharide selected from the group consisting of nigerooligosaccharide, maltooligosaccharide and panose, when so required, in addition of an antioxidant. The anti-fading agent of the invention can advantageously inhibit fading in colors (including fading in colors by light irradiation and heat treatment) of natural pigments such as anthocyanin-based pigments, flavonoid-based pigments, carotenoid-based pigments and the like, and is useful for colored beverage and food products, pharmaceutical drugs, cosmetics and the like with which the fading in colors may be a problem.
    Type: Application
    Filed: April 10, 2003
    Publication date: November 20, 2003
    Applicant: SAN-EI GEN F.F.I., INC
    Inventors: Yutaka Higashimura, Kazuhiro Emura, Noriko Kuze, Junko Shirai, Takatoshi Koda
  • Method for inhibiting fading of a natural pigment using nigerooligosaccharide or maltooligosaccharide or panose with or without an antioxidant
    Patent number: 6572906
    Abstract: The present invention provide an anti-fading agent for a pigment, characterized by comprising as active ingredients at least one oligosaccharide selected from the group consisting of nigerooligosaccharide, maltooligosaccharide and panose, when so required, in addition of an antioxidant. The anti-fading agent of the invention can advantageously inhibit fading in colors (including fading in colors by light irradiation and heat treatment) of natural pigments such as anthocyanin-based pigments, flavonoid-based pigments, carotenoid-based pigments and the like, and is useful for colored beverage and food products, pharmaceutical drugs, cosmetics and the like with which the fading in colors may be a problem.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: June 3, 2003
    Assignee: San-Ei Gen F.F.I., Inc.
    Inventors: Yutaka Higashimura, Kazuhiro Emura, Noriko Kuze, Junko Shirai, Takatoshi Koda