Patents by Inventor Seiji Komeda

Seiji Komeda 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).

  • Platinum complex compound and utilization of the same
    Patent number: 8283473
    Abstract: The present invention provides a novel dinuclear platinum(II) complex compound that can bind to DNA by a mode different from that of cisplatin-type drugs, a method of producing this compound and an anticancer agent comprising this compound as an effective component. This compound is a tetrazolato-bridged platinum complex compound represented by the following formula (I), wherein A is optionally substituted tetrazolato, B is an inorganic or organic anion, and m and n are integers determined in accordance with the charge number of the platinum complex ion and the charge number of the anion.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: October 9, 2012
    Assignees: Yakult Honsha Co., Ltd, Tenshindo Pharmaceutical Co., Ltd
    Inventors: Seiji Komeda, Masahiko Chikuma
  • PLATINUM COMPLEX COMPOUND AND UTILIZATION OF THE SAME
    Publication number: 20110046386
    Abstract: The present invention provides a novel dinuclear platinum(II) complex compound that can bind to DNA by a mode different from that of cisplatin-type drugs, a method of producing this compound and an anticancer agent comprising this compound as an effective component. This compound is a tetrazolato-bridged platinum complex compound represented by the following formula (I), wherein A is optionally substituted tetrazolato, B is an inorganic or organic anion, and m and n are integers determined in accordance with the charge number of the platinum complex ion and the charge number of the anion.
    Type: Application
    Filed: January 7, 2009
    Publication date: February 24, 2011
    Applicants: YAKULT HONSHA CO., LTD., TENSHINDO PHARMACEUTICAL CO., LTD.
    Inventors: Seiji Komeda, Masahiko Chikuma