Patents by Inventor Fumiyo Hirota

Fumiyo Hirota 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).

  • Piperidinylpyrimidine derivatives
    Patent number: 5948786
    Abstract: A compound of formula (1) ##STR1## wherein X.sup.1 is amino or hydroxyl, X.sup.2 is carbonyl and the like R.sup.1 is an alkyl, an aryl and the like, R.sup.2 is hydrogen and the like, and R.sup.3 is an alkyl and the like, or a pharmaceutical acceptable salt thereof is effective for inibiting the production and/or secretion of tumor necrosis factor in a patient in need of such inhibition.
    Type: Grant
    Filed: April 29, 1998
    Date of Patent: September 7, 1999
    Assignee: Sumitomo Pharmaceuticals Company, Limited
    Inventors: Norio Fujiwara, Yutaka Ueda, Shinobu Murata, Fumiyo Hirota, Hajime Kawakami, Hitoshi Fujita