Patents by Inventor Kei Naruse

Kei Naruse 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).

  • Patent number: 5912247
    Abstract: A quinazoline compound of the formula (I): ##STR1## wherein Z means a group of the formula: ##STR2## (X is CH.sub.2, CHOH, CHOCH.sub.3, or O, and n is 1 to 3), or a group of the formula: ##STR3## (A is H or CH.sub.3, and B is --CH.sub.2 OH, or ethyl having 1 or 2 OH, or propyl having 2 or 3 OH), or a salt thereof, which are useful as anti-tumor agent, and a pharmaceutical composition containing the compound as an active ingredient.
    Type: Grant
    Filed: August 20, 1997
    Date of Patent: June 15, 1999
    Assignee: Kanebo, Ltd.
    Inventors: Yoshikazu Jinbo, Tomohiro Miyasaka, Yoshiaki Ikeda, Takashi Sekida, Kei Naruse, Masayuki Ando, Shigeru Iwaki, Kohichiro Yoshino