Patents by Inventor Ayako Kamimura

Ayako Kamimura 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).

  • Hair-growing agent
    Publication number: 20040266730
    Abstract: A hair-growing agent comprising, as active ingredients, one or more members selected from the group consisting of lysophosphatidic acids, and phosphatidic acids wherein the fatty acid residue moiety consists only of straight-chain fatty acid residues having an even number of carbon atoms.
    Type: Application
    Filed: July 21, 2004
    Publication date: December 30, 2004
    Applicant: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Tomoya Takahashi, Ayako Kamimura, Takako Matsuoka
  • Process for purification of proanthocyanidin oligomer
    Patent number: 6800433
    Abstract: The present invention relates to a process for purifying dimeric to pentameric proanthocyanidin oligomers which comprises extracting the proanthocyanidin oligomers from raw materials containing the proanthocyanidin oligomers or crude purification products therefrom by solid-liquid extraction using methyl acetate as a liquid phase; a process for purifying dimeric to pentameric proanthocyanidin oligomers which comprises pretreating with an enzyme for hydrolysis raw materials containing the proanthocyanidin oligomers, crude purification products therefrom, or a solution containing one of these; and a process for purifying dimeric to pentameric proanthocyanidin oligomers with a uniform polymerization degree which comprises separating and purifying the proanthocyanidin oligomers by polymerization degree from raw materials containing the proanthocyanidin oligomers or crude purification products there from by normal phase silica gel liquid chromatography using as a mobile phase a single solvent or a mixed solvent of
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: October 5, 2004
    Assignees: Kyowa Hakko Kogyo Co., Ltd., The Nikka Whisky Distilling Co., Ltd.
    Inventors: Shinkichi Honda, Tomoya Takahashi, Ayako Kamimura, Takako Matsuoka, Tomomasa Kanda, Akio Yanagida, Kazuo Hieda
  • Cosmetic composition
    Patent number: 6692754
    Abstract: The present invention relates to skin aging inhibitors and/or skin quality-improving agents comprising hydroxyproline, its N-acyl derivatives or salts thereof, and cosmetic compositions for inhibiting skin aging and/or improving skin quality comprising said skin aging inhibitors and/or skin quality-improving agents.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: February 17, 2004
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Yutaka Makimoto, Asako Kobayashi, Toshihiro Sakakibara, Chiemi Takaboshi, Ayako Kamimura, Tomoya Takahashi, Minako Tajima, Yoichiro Takekoshi
  • Skin-improving agent
    Publication number: 20030211183
    Abstract: The present invention provides a skin-improving agent which comprises, as an active ingredient, proanthocyanidin in which the extent of galloylation per constitutive monomer is 10% or lower (molar ratio).
    Type: Application
    Filed: April 9, 2003
    Publication date: November 13, 2003
    Applicant: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Tomoya Takahashi, Chiemi Takaboshi, Asako Kobayashi, Minako Tajima, Ayako Kamimura
  • Hair-growing agent
    Patent number: 6562804
    Abstract: The present invention provides a hair-growing agent comprising, as an active ingredient, a phosphatidic acid represented by formula (I): (wherein R1 represents alkyl, alkenyl, alkanoyl or alkenoyl; and when R1 represents alkyl or alkenyl, R2 represents alkyl, alkenyl, alkanoyl or alkenoyl, and when R1 represents alkanoyl or alkenoyl, R2 represents alkyl or alkenyl).
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: May 13, 2003
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Ayako Kamimura, Tomoya Takahashi, Takashi Mimura, Shinkichi Honda
  • Hair-growing agent
    Patent number: 6562803
    Abstract: The present invention provides a hair-growing agent comprising, as an active ingredient, a phosphatidic acid represented by formula (I): (wherein R1 represents straight-chain alkyl having an odd number of carbon atoms, straight-chain alkenyl having an odd number of carbon atoms, or straight-chain alkynyl having an odd number of carbon atoms).
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: May 13, 2003
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Ayako Kamimura, Tomoya Takahashi, Takashi Mimura, Shinkichi Honda
  • Hair-growing agent
    Publication number: 20020172657
    Abstract: The present invention provides a hair-growing agent comprising, as an active ingredient, a phosphatidic acid represented by formula (I): 1
    Type: Application
    Filed: February 12, 2002
    Publication date: November 21, 2002
    Applicant: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Ayako Kamimura, Tomoya Takahashi, Takashi Mimura, Shinkichi Honda
  • Hair-growing agent
    Publication number: 20020155085
    Abstract: The present invention provides a hair-growing agent comprising, as an active ingredient, a phosphatidic acid represented by formula (I): 1
    Type: Application
    Filed: February 12, 2002
    Publication date: October 24, 2002
    Applicant: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Ayako Kamimura, Tomoya Takahashi, Takashi Mimura, Shinkichi Honda