Patents by Inventor Daikichi Horiguchi

Daikichi Horiguchi 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).

  • Fluorescent compound, complex, reagent, and specific binding assay employing said reagent
    Patent number: 5262526
    Abstract: A fluorescent compound, which is readily capable of forming a stable complex with a rare-earth metal ion having fluorescence with satisfactory intensity even in an aqueous system and long fluorescence lifetime when formed a complex with the rare-earth metal ion, a complex of the fluorescent compound and the rare-earth metal ion, and a labelled reagent made therefrom, together with a specific binding assay using said labelling agent.A fluorescent compound expressed by the following formula A, typically exemplified by 2,15-diaza[3,3](2,9)-1,10-phenanthrolinophane-N.sup.2,N.sup.15 -diacetic acid.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: November 16, 1993
    Assignees: Dojindo Laboratories, Mochida Pharmaceutical Co., Ltd.
    Inventors: Kazumi Sasamoto, Daikichi Horiguchi, Masahiro Nobuhara, Hiroshi Mochizuki