Patents by Inventor Hiroshige Kataoka

Hiroshige Kataoka 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).

  • Publication number: 20240041899
    Abstract: Provided is a solid preparation having an excellent stability and being useful for treating or improving (or alleviating) a urination disorder regardless of the degree or presence of prostatomegaly. The solid preparation contains a 2-oxapregnane compound represented by the following formula (1) as an active ingredient, and a carrier. In the formula, R1 to R3 each represent an alkyl group such as a methyl group, R4 represents an alkylcarbonyl group such as an acetyl group, X represents a halogen atom such as a chlorine atom, and Y represents a hydroxyl group or oxo group bonded to the 11-position, 15-position, or 16-position of the steroid skeleton. The carrier contains a first carrier and/or a second carrier; the first carrier is not a metal salt-form, and the second carrier is a polyvalent metal salt-form of an inorganic acid.
    Type: Application
    Filed: December 17, 2021
    Publication date: February 8, 2024
    Applicant: ASKA Pharmaceutical Co., Ltd.
    Inventors: Sakiko KITAMURA, Kazuhiro SASAKI, Hiroshige KATAOKA, Asuka OZAWA, Hideo KOBAYASHI, Atsushi SHINBO, Youichi NAKANO, Yuta ITO, Junichi WATANABE
  • Patent number: 8329649
    Abstract: A stable aqueous composition containing follicle-stimulating hormone, which comprises follicle-stimulating hormone and histidine as a stabilizing agent.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: December 11, 2012
    Assignee: Aska Pharmaceutical Co., Ltd.
    Inventors: Hajime Asada, Hiroshige Kataoka
  • Publication number: 20110275567
    Abstract: A stable aqueous composition containing follicle-stimulating hormone, which comprises follicle-stimulating hormone and histidine as a stabilizing agent.
    Type: Application
    Filed: November 2, 2009
    Publication date: November 10, 2011
    Applicant: ASKA PHARMACEUTICAL CO., LTD.
    Inventors: Hajime Asada, Hiroshige Kataoka