Patents by Inventor Shozo Kouchiwa

Shozo Kouchiwa 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).

  • Aerosol preparation for external use
    Patent number: 5397564
    Abstract: This invention provides an aerosol preparation for topical use, primarily for skin cooling, which is novel in that it is propelled out in the form of a sherbet-like foam. The concentrate is based on water and a lower alcohol and a liquefied. petroleum gases and dimethyl ether is used as a propellant. By using the basic agent and the propellant in a specified ratio, a sherbet-like foam can be formed. The aerosol preparation may also incorporate a drug.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: March 14, 1995
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Toshimitsu Seki, Kingo Narumi, Tatsuoki Iguchi, Shozo Kouchiwa
  • Stabilized pharmaceutical compositions
    Patent number: 4906647
    Abstract: Stabilized solid pharmaceutical preparations in which one or more of sodium carbonate, sodium hydrogen carbonate, calcium carbonate and calcium hydrogen phosphate are incorporated in a solid composition containing a 1,4-dihydropyridine derivative as an active ingredient. The present compositions are used as an oral therapeutic agent for the circulatory system, especially as a coronary vasodilator.
    Type: Grant
    Filed: October 1, 1987
    Date of Patent: March 6, 1990
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Shozo Kouchiwa, Masami Nemoto, Tetsuo Yamaguchi, Atsuro Nakazato