Patents by Inventor Kazuya Yoshiizumi

Kazuya Yoshiizumi 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).

  • Keratinocyte growth inhibitors and hydroxamic acid derivatives
    Publication number: 20030229113
    Abstract: This invention relates to a keratinocyte-proliferation inhibitor comprising as active ingredient a compound having an activity of inhibiting the solubilization of heparin-binding EGF-like growth factor bound to cell membranes and a compound of the formula (I); 1
    Type: Application
    Filed: February 19, 2003
    Publication date: December 11, 2003
    Inventors: Koji Hashimoto, Shigeki Higashiyama, Kohichiro Yoshino, Kazuya Yoshiizumi, Minoru Yamamoto
  • Novel cyanoguanidine derivatives
    Patent number: 5087640
    Abstract: Compounds of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently fluorine, chlorine or bromine atom, and R.sup.3 is a C.sub.4 -C.sub.7 alkyl having at least a branch at the C.sub.1 position, exhibit K.sup.+ channel opening activity and are useful as hypotensive agents and coronary vasodilators.
    Type: Grant
    Filed: June 27, 1990
    Date of Patent: February 11, 1992
    Assignee: Kanebo, Ltd.
    Inventors: Tominori Morita, Kazuya Yoshiizumi, Noriyasu Nishimura, Katsumi Goto, Takayuki Sukamoto, Kohichiro Yoshino