Patents by Inventor Hirokazu Kouzuki

Hirokazu Kouzuki 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).

  • Cosmetics
    Publication number: 20100278760
    Abstract: The cosmetic of the present invention is a cosmetic that alleviates skin irritation by blending in polypropylene glycol, a specific polar oil, or polybutylene glycol, as well as an ultraviolet absorbent. The present invention also relates to an agent and a method for alleviating irritation by lipophilic drugs. Since the present invention alleviates skin irritation due to ultraviolet absorbents and lipophilic drugs in cosmetics, any amount of ultraviolet absorbents and lipophilic drugs can be blended in cosmetics, and therefore cosmetics that can fully manifest their effects can be provided. Also, it is possible to prepare a safe sunblock cosmetic with superior ultraviolet protection effects because the ultraviolet absorbent is not absorbed through skin.
    Type: Application
    Filed: June 4, 2009
    Publication date: November 4, 2010
    Applicant: SHISEIDO COMPANY,LTD.
    Inventors: Hirokazu Kouzuki, Morihiro Hirota, Tomoyuki Inaba, Haruhiko Inoue, Hiroshi Itagaki, Hiroyuki Kakoki, Takafumi Kurosawa
  • Cosmetics
    Publication number: 20070116654
    Abstract: The cosmetic of the present invention is a cosmetic that alleviates skin irritation by blending in polypropylene glycol, a specific polar oil, or polybutylene glycol, as well as an ultraviolet absorbent. The present invention also relates to an agent and a method for alleviating irritation by lipophilic drugs. Since the present invention alleviates skin irritation due to ultraviolet absorbents and lipophilic drugs in cosmetics, any amount of ultraviolet absorbents and lipophilic drugs can be blended in cosmetics, and therefore cosmetics that can fully manifest their effects can be provided. Also, it is possible to prepare a safe sunblock cosmetic with superior ultraviolet protection effects because the ultraviolet absorbent is not absorbed through skin.
    Type: Application
    Filed: December 13, 2006
    Publication date: May 24, 2007
    Inventors: Hirokazu Kouzuki, Morihiro Hirota, Tomoyuki Inaba, Haruhiko Inoue, Hiroshi Itagaki, Hiroyuki Kakoki, Takafumi Kurosawa
  • Cosmetics
    Patent number: 7169379
    Abstract: The cosmetic of the present invention is a cosmetic that alleviates skin irritation by blending in polypropylene glycol, a specific polar oil, or polybutylene glycol, as well as an ultraviolet absorbent. The present invention also relates to an agent and a method for alleviating irritation by lipophilic drugs. Since the present invention alleviates skin irritation due to ultraviolet absorbents and lipophilic drugs in cosmetics, any amount of ultraviolet absorbents and lipophilic drugs can be blended in cosmetics, and therefore cosmetics that can fully manifest their effects can be provided. Also, it is possible to prepare a safe sunblock cosmetic with superior ultraviolet protection effects because the ultraviolet absorbent is not absorbed through skin.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: January 30, 2007
    Assignee: Shiseido Co., Ltd.
    Inventors: Hirokazu Kouzuki, Morihiro Hirota, Tomoyuki Inaba, Haruhiko Inoue, Hiroshi Itagaki, Hiroyuki Kakoki, Takafumi Kurosawa
  • External skin preparation
    Publication number: 20040062730
    Abstract: External skin preparations with a sun-screening effect are frequently blended with an ultraviolet absorbent octyl methoxycinnamate together with ultraviolet reflectors titanium oxide and zinc oxide in powder. The skin irritation of octyl methoxycinnamate is enhanced when blended with the powders of titanium oxide and zinc oxide and the like. It is an object of the invention to provide an external skin preparation capable of reducing the skin irritation.
    Type: Application
    Filed: September 29, 2003
    Publication date: April 1, 2004
    Applicant: Shiseido Co., Ltd.
    Inventors: Takafumi Kurosawa, Hiroshi Itagaki, Hirokazu Kouzuki, Shoichiro Shio
  • Cosmetics
    Publication number: 20030185772
    Abstract: The cosmetic of the present invention is a cosmetic that alleviates skin irritation by blending in polypropylene glycol, a specific polar oil, or polybutylene glycol, as well as an ultraviolet absorbent. The present invention also relates to an agent and a method for alleviating irritation by lipophilic drugs. Since the present invention alleviates skin irritation due to ultraviolet absorbents and lipophilic drugs in cosmetics, any amount of ultraviolet absorbents and lipophilic drugs can be blended in cosmetics, and therefore cosmetics that can fully manifest their effects can be provided. Also, it is possible to prepare a safe sunblock cosmetic with superior ultraviolet protection effects because the ultraviolet absorbent is not absorbed through skin.
    Type: Application
    Filed: February 21, 2003
    Publication date: October 2, 2003
    Inventors: Hirokazu Kouzuki, Morihiro Hirota, Tomoyuki Inaba, Haruhiko Inoue, Hiroshi Itagaki, Hiroyuki Kakoki, Takafumi Kurosawa