Patents by Inventor Shigekatsu Kawabata

Shigekatsu Kawabata 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).

  • Chloasma amelioration composition and dullness amelioration composition
    Patent number: 7994153
    Abstract: The present invention provides a composition that can effectively improve melasma and a composition that can effectively reduce skin dullness. The composition for improving melasma comprises a purine nucleic acid-related substance and a pharmaceutically or cosmetically acceptable carrier, and exhibits an excellent melasma improving effect due to the action of the purine nucleic acid-related substance contained. The composition for reducing skin dullness comprises a purine nucleic acid-related substance and a pharmaceutically or cosmetically acceptable carrier, and exhibits an excellent effect of reducing skin dullness due to the action of the purine nucleic acid-related substance contained.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: August 9, 2011
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Hideo Tanaka, Masahiko Tanaka, Yasuo Furuta, Kosaburo Wakamatsu, Junko Kamimura, Fumiki Harano, Mitsuaki Kawamura, Shigekatsu Kawabata, Shigeo Shinohara, Noboru Yoshino
  • Chloasma amelioration composition and dullness amelioration composition
    Publication number: 20050220827
    Abstract: The present invention provides a composition that can effectively improve melasma and a composition that can effectively reduce skin dullness. The composition for improving melasma comprises a purine nucleic acid-related substance and a pharmaceutically or cosmetically acceptable carrier, and exhibits an excellent melasma improving effect due to the action of the purine nucleic acid-related substance contained. The composition for reducing skin dullness comprises a purine nucleic acid-related substance and a pharmaceutically or cosmetically acceptable carrier, and exhibits an excellent effect of reducing skin dullness due to the action of the purine nucleic acid-related substance contained.
    Type: Application
    Filed: May 19, 2003
    Publication date: October 6, 2005
    Inventors: Hideo Tanaka, Masahiko Tanaka, Yasuo Furuta, Kosaburo Wakamatsu, Junko Kamimura, Fumiki Harano, Mitsuaki Kawamura, Shigekatsu Kawabata, Shigeo Shinohara, Noboru Yoshino
  • Method of simultaneously subjecting ores to pulverization and leaching or extraction
    Patent number: 4269808
    Abstract: There is provided a method for simultaneously carrying out pulverization of ores and their leaching or extraction within a vertical abrasion mill.
    Type: Grant
    Filed: August 9, 1979
    Date of Patent: May 26, 1981
    Assignees: Seika Sangyo Co., Ltd., Japan Tower Miller Co., Ltd.
    Inventor: Shigekatsu Kawabata
  • Agitator means for tower type abrasion mills
    Patent number: 4242002
    Abstract: An agitator for tower type abrasion mills has a screw blade assembly composed of an inner screw blade and a number of outer screw blade units each having a fixed size. The outer blade units are positioned side by side along the peripheral portions of the inner blade and are fixed thereto. This realizes a long life of the agitator, low repair costs, and a remarkably short work stoppage period for the repair.
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: December 30, 1980
    Inventor: Shigekatsu Kawabata