Patents by Inventor Yuichi Takeoka

Yuichi Takeoka 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).

  • Furanone derivatives for the suppression or treatment of autoimmune diseases
    Patent number: 5532271
    Abstract: The present invention relates to a method for preventing or treating autoimmune diseases in a mammal which comprises administering to the mammal an effective amount of at least one furanone derivative of the formula (I): ##STR1## wherein X is hydrogen, hydroxy, a lower alkyl group or a lower alkylene group; Y is hydrogen, hydroxy or a lower alkyl group; Z is hydrogen, a lower alkyl group or a lower hydroxyalkyl group; and the broken line represents the presence or absence of a second bond;or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: July 2, 1996
    Assignee: Nippon Zoki Pharmaceutical Co., Ltd.
    Inventors: Mitsuru Naiki, Yuichi Takeoka, Seishi Suehiro
  • Furanone derivatives for the treatment of inflammation
    Patent number: 5376682
    Abstract: The present invention relates to a method for reducing or treating inflammation in a mammal which comprises administering to the mammal an effective amount of at least one furanone derivative of the formula (I): ##STR1## wherein X is hydrogen, hydroxy, a lower alkyl group or a lower alkylene group; Y is hydrogen, hydroxy or a lower alkyl group; Z is hydrogen, a lower alkyl group or a lower hydroxyalkyl group; and the broken line represents the presence or absence of a second bond; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: December 27, 1994
    Assignee: Nippon Zoki Pharmaceutical Co., Ltd.
    Inventors: Mitsuru Naiki, Yuichi Takeoka, Seishi Suehiro