Patents by Inventor Takeo Kohda

Takeo Kohda 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).

  • Prophylactic agent for chronic kidney disease
    Patent number: 9475755
    Abstract: A method for ameliorating and/or preventing chronic kidney disease includes administering to a subject in need thereof an agent containing 5-aminolevulinic acid (ALA) or a derivative thereof, or a salt thereof as an active ingredient. Preferably, these ALAs contain a metal-containing compound, such as sodium ferrous citrate. The above-mentioned ALAs, ALA; various esters, such as ALA methylester, ALA ethylester, ALA propylester, ALA butylester, and ALA pentylester; and hydrochlorides, phosphates, and sulfates, and the like of these ALA esters are preferred examples.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: October 25, 2016
    Assignee: SBI Pharmaceuticals Co., Ltd
    Inventors: Tohru Tanaka, Motowo Nakajima, Fuminori Abe, Satofumi Kawata, Takeo Kohda
  • Antimalarial drug which contains 5-aminolevulinic acid or derivative thereof as active ingredient
    Patent number: 9463175
    Abstract: Provided is an antimalarial drug which is useful for prevention and treatment of infectious diseases caused by malaria parasites. A preventive and/or therapeutic agent for malaria, which contains, as an active ingredient, 5-aminolevulinic acid (ALA), a derivative thereof, or a pharmacologically acceptable salt thereof, is used.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: October 11, 2016
    Assignees: SBI Pharmaceuticals Co., Ltd., The University of Tokyo
    Inventors: Tohru Tanaka, Satofumi Kawata, Takeo Kohda, Motowo Nakajima, Kiyoshi Kita
  • Antimalarial Drug Which Contains 5-Aminolevulinic Acid or Derivative Thereof as Active Ingredient
    Publication number: 20150283102
    Abstract: Provided is an antimalarial drug which is useful for prevention and treatment of infectious diseases caused by malaria parasites. A preventive and/or therapeutic agent for malaria, which contains, as an active ingredient, 5-aminolevulinic acid (ALA), a derivative thereof, or a pharmacologically acceptable salt thereof, is used.
    Type: Application
    Filed: June 22, 2015
    Publication date: October 8, 2015
    Inventors: Tohru Tanaka, Satofumi Kawata, Takeo Kohda, Motowo Nakajima, Kiyoshi Kita
  • Antimalarial drug which contains 5-aminolevulinic acid or derivative thereof as active ingredient
    Patent number: 9089530
    Abstract: Provided is an antimalarial drug which is useful for prevention and treatment of infectious diseases caused by malaria parasites. A preventive and/or therapeutic agent for malaria, which contains, as an active ingredient, 5-aminolevulinic acid (ALA), a derivative thereof, or a pharmacologically acceptable salt thereof, is used.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: July 28, 2015
    Assignees: SBI Pharmaceuticals Co., Ltd., The University of Tokyo
    Inventors: Tohru Tanaka, Satofumi Kawata, Takeo Kohda, Motowo Nakajima, Kiyoshi Kita
  • PROPHYLACTIC AGENT FOR CHRONIC KIDNEY DISEASE
    Publication number: 20140256806
    Abstract: A method for ameliorating and/or preventing chronic kidney disease includes administering to a subject in need thereof an agent containing 5-aminolevulinic acid (ALA) or a derivative thereof, or a salt thereof as an active ingredient. Preferably, these ALAs contain a metal-containing compound, such as sodium ferrous citrate. The above-mentioned ALAs, ALA; various esters, such as ALA methylester, ALA ethylester, ALA propylester, ALA butylester, and ALA pentylester; and hydrochlorides, phosphates, and sulfates, and the like of these ALA esters are preferred examples.
    Type: Application
    Filed: October 5, 2012
    Publication date: September 11, 2014
    Applicant: SBI PHARMACEUTICALS CO., LTD.
    Inventors: Tohru Tanaka, Motowo Nakajima, Fuminori Abe, Satofumi Kawata, Takeo Kohda
  • Antimalarial Drug Which Contains 5-Aminolevulinic Acid or Derivative Thereof as Active Ingredient
    Publication number: 20130108710
    Abstract: Provided is an antimalarial drug which is useful for prevention and treatment of infectious diseases caused by malaria parasites. A preventive and/or therapeutic agent for malaria, which contains, as an active ingredient, 5-aminolevulinic acid (ALA), a derivative thereof, or a pharmacologically acceptable salt thereof, is used.
    Type: Application
    Filed: May 18, 2011
    Publication date: May 2, 2013
    Applicants: THE UNIVERSITY OF TOKYO, SBI PHARMACEUTICALS CO., LTD.
    Inventors: Tohru Tanaka, Satofumi Kawata, Takeo Kohda, Motowo Nakajima, Kiyoshi Kita