Patents by Inventor Yasukazu Nakayama

Yasukazu Nakayama 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).

  • Collagen production promoter composition
    Patent number: 6531165
    Abstract: A collagen production promoter composition according to the present invention containing an extract from a shoot of a tree belonging to the Fagaceae Fagus, particularly a young shoot, as an active component, which exhibits a superior effect of prevention of aging by promoting the production of collagen, which is one of the components of the extracellular matrix, and the activation of the excellular matrix and normalization of the skin tissue based on the promotion of production of collagen.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: March 11, 2003
    Assignee: Shiseido Company, Ltd.
    Inventors: Yasukazu Nakayama, Nao Kojima
  • COLLAGEN PRODUCTION PROMOTER COMPOSITION
    Publication number: 20020168425
    Abstract: A collagen production promoter composition according to the present invention containing an extract from a shoot of a tree belonging to the Fagaceae Fagus, particularly a young shoot, as an active component, which exhibits a superior effect of prevention of aging by promoting the production of collagen, which is one of the components of the extracellular matrix, and the activation of the excellular matrix and normalization of the skin tissue based on the promotion of production of collagen.
    Type: Application
    Filed: December 27, 1999
    Publication date: November 14, 2002
    Inventors: YASUKAZU NAKAYAMA, NAO KOJIMA
  • External skin treatment composition
    Patent number: 6419962
    Abstract: An external skin treatment composition is described that comprises a “unicellularized” plant. This composition exhibits superior stability of the effective plant ingredients, superior moisture retention, and superior elimination of specific free radicals, and it offers sustained release of the effective plant ingredients. Methods are disclosed to unicellularize plants with, for example, an enzyme.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: July 16, 2002
    Assignee: Shiseido Company, Ltd.
    Inventors: Mineyuki Yokoyama, Hiroyuki Tsukada, Tetsuya Sakai, Shoko Yamaguchi, Yumiko Suzuki, Yasukazu Nakayama, Hiroaki Yasuhara, Okihiko Sakamoto
  • Anti-aging cosmetic composition
    Patent number: 5853705
    Abstract: An anti-aging cosmetic composition in which is blended an enzymolyzed substance obtained by treating by one or more enzymes an alkali extract of a hypoallergenic rice obtained by treating rice in advance with a proteinase and, preferably, a UV protective agent.
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: December 29, 1998
    Assignee: Shiseido Company, Ltd.
    Inventors: Yasukazu Nakayama, Shoji Nishiyama, Yoichi Shimatani, Shigetoyo Sawaki, Katsuhisa Yamada, Kazufumi Naitoh
  • Washing composition capable of preventing and ameliorating skin irritation
    Patent number: 5306444
    Abstract: A washing composition for a domestic or business detergent and a skin cleanser containing one or more compounds having a protease inhibitory activity.
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: April 26, 1994
    Assignee: Shiseido Company Ltd.
    Inventors: Kenji Kitamura, Yasukazu Nakayama, Naoe Akiyama, Eriko Kasahara
  • Collagen production promoter composition
    Patent number: RE39043
    Abstract: A collagen production promoter composition according to the present invention containing an extract from a shoot of a tree belonging to the Fagaceae Fagus, particularly a young shoot, as an active component, which exhibits a superior effect of prevention of aging by promoting the production of collagen, which is one of the components of the extracellular matrix, and the activation of the excellular matrix and normalization of the skin tissue based on the promotion of production of collagen.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: March 28, 2006
    Assignee: Shiseido Company, Ltd.
    Inventors: Yasukazu Nakayama, Nao Kojima