Patents by Inventor Masakazu Kawaguchi

Masakazu Kawaguchi 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).

  • Extract obtained from plants, method for producing the extract, and external agent for skin comprising the extract
    Patent number: 8637488
    Abstract: This invention relates to an extract obtained from a plant of the genus Odontoglossum of the family Orchidaceae, or from a plant derived from a hybrid plant of the genus Odontoglossum and the genus Cochlioda, to a method for preparing the extract, and to an external agent for skin comprising the extract.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: January 28, 2014
    Assignee: Nichirei Biosciences, Inc.
    Inventors: Akiko Sasaki, Masakazu Kawaguchi, Ayaka Himono
  • SKIN-WHITENING AGENT CONTAINING 3-HYDROXY-2-PYRONE
    Publication number: 20130309187
    Abstract: This invention provides a skin-whitening agent, a tyrosinase activity inhibitor, and melanin production inhibitor comprising, as an active ingredient, a compound exhibiting excellent solubility in various solvents. Such skin-whitening agent, tyrosinase activity inhibitor, and melanin production inhibitor comprise 3-hydroxy-2-pyrone.
    Type: Application
    Filed: January 20, 2011
    Publication date: November 21, 2013
    Applicant: NICHIREI BIOSCIENCES INC.
    Inventors: Kenichi Nagamine, Masakazu Kawaguchi, Ayaka Himono
  • Polyphenol glycoside isolated from acerola
    Patent number: 7935673
    Abstract: It is an objective of the present invention to provide a polyphenol glycoside isolated from acerola, which has a binding mode that has not been conventionally known, and to provide the use of the same. The present invention relates to a compound represented by formula (I): and an antioxidant, a glucosidase inhibitor, a food, a cosmetic, and a skin preparation for external use, each of which comprises such compound.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: May 3, 2011
    Assignee: Nichirei Biosciences, Inc.
    Inventors: Masakazu Kawaguchi, Kenichi Nagamine
  • EXTRACT OBTAINED FROM ORCHIDACEAE PLANTS, METHOD FOR PRODUCING THE EXTRACT, AND EXTERNAL AGENT FOR SKIN COMPRISING THE EXTRACT
    Publication number: 20100267659
    Abstract: This invention relates to an extract obtained from a plant of the genus Odontoglossum of the family Orchidaceae, or from a plant derived from a hybrid plant of the genus Odontoglossum and the genus Cochlioda, to a method for preparing the extract, and to an external agent for skin comprising the extract.
    Type: Application
    Filed: March 27, 2009
    Publication date: October 21, 2010
    Applicant: NICHIREI BIOSCIENCES INC.
    Inventors: Akiko Sasaki, Masakazu Kawaguchi, Ayaka Himono
  • NOVEL POLYPHENOL GLYCOSIDE ISOLATED FROM ACEROLA
    Publication number: 20100029918
    Abstract: It is an objective of the present invention to provide a polyphenol glycoside isolated from acerola, which has a binding mode that has not been conventionally known, and to provide the use of the same. The present invention relates to a compound represented by formula (I): and an antioxidant, a glucosidase inhibitor, a food, a cosmetic, and a skin preparation for external use, each of which comprises such compound.
    Type: Application
    Filed: December 12, 2005
    Publication date: February 4, 2010
    Applicant: NICHIREI BIOSCIENCES INC.
    Inventors: Masakazu Kawaguchi, Kenichi Nagamine
  • Acerola Fruit-Derived Pectin and Its Application
    Publication number: 20080267894
    Abstract: The present invention relates to a pectin derived from an acerola fruit or a hydrolysate thereof, comprising a complex formed of Aceronidin, which is a novel polyphenol compound. The pectin of the present invention can be used as an active ingredient of an antioxidant or a skin-whitening agent.
    Type: Application
    Filed: February 28, 2006
    Publication date: October 30, 2008
    Applicants: NICHIREI FOODS INC., NICHIREI BIOSCIENCES INC.
    Inventors: Masakazu Kawaguchi, Akiko Sasaki, Kenichi Nagamine, Jun Kamihigashi