Patents by Inventor Yumio Kudo

Yumio Kudo 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).

  • System for release in lower digestive tract
    Patent number: 6972132
    Abstract: A system whereby a substance which is orally taken and to be delivered into the lower digestive tract is selectively delivered into the lower digestive tract. More particularly, a system which makes it possible to surely and quickly deliver the aimed substance to the lower digestive tract without being affected by pH change in the digestive tract due to change in bacterial flora. Compositions disintegrating in the lower digestive tract characterized by containing a compound <A>, which has a molecular weight of 1000 or less and has a disulfide bond, and a polymer <B>, which has a molecular weight exceeding 1000 and is digested by enteric bacteria and/or undergoes softening, swelling or dissolution due to a decrease in pH; molded products with the use of these compositions; and preparations with the use of these molded products.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: December 6, 2005
    Assignee: Mochida Pharamceutical Co., Ltd.
    Inventors: Yumio Kudo, Hiroki Ueshima, Kazuya Sakai
  • System for release in lower gastrointestinal tract
    Publication number: 20050249800
    Abstract: A system whereby a substance which is orally taken and to be delivered into the lower digestive tract is selectively delivered into the lower digestive tract. More particularly, a system which makes it possible to surely and quickly deliver the aimed substance to the lower digestive tract without being affected by pH change in the digestive tract due to change in bacterial flora. Compositions disintegrating in the lower digestive tract characterized by containing a compound <A>, which has a molecular weight of 1000 or less and has a disulfide bond, and a polymer <B>, which has a molecular weight exceeding 1000 and is digested by enteric bacteria and/or undergoes softening, swelling or dissolution due to a decrease in pH; molded products with the use of these compositions; and preparations with the use of these molded products.
    Type: Application
    Filed: July 15, 2005
    Publication date: November 10, 2005
    Inventors: Yumio Kudo, Hiroki Ueshima, Kazuya Sakai