Patents by Inventor Hideyo Sakiyama

Hideyo Sakiyama 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).

  • Benzamide derivatives
    Patent number: 5143935
    Abstract: A benzamide derivative represented by the formula: ##STR1## having a promoting activity of gastrointestinal tract and pharmacentical composition containing the same.
    Type: Grant
    Filed: October 16, 1991
    Date of Patent: September 1, 1992
    Assignee: Teikoku Chemical Industry Co., Ltd.
    Inventors: Hiromichi Fujiwara, Akihiko Ogawa, Hideyo Sakiyama, Toshiaki Tamura