Patents by Inventor Yuko Toki

Yuko Toki 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 probe
    Patent number: 9250232
    Abstract: A compound represented by the formula (I) [R1 represents hydrogen atom or a substituent; R2, R3, R6, and R7 represent hydrogen atom, an alkyl group, a halogen atom, or a hydrophilic substituent; R4 and R5 represent an alkyl group or an aryl group; R8 and R9 represent a group cleaved by contact with an object substance for measurement; and X represents silicon atom, germanium atom, or tin atom] or a salt thereof, which is useful as a fluorescent probe that emits red fluorescence by contact with an object substance for measurement.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: February 2, 2016
    Assignee: THE UNIVERSITY OF TOKYO
    Inventors: Tetsuo Nagano, Kenjiro Hanaoka, Kazuhisa Hirabayashi, Yuko Toki
  • FLUORESCENT PROBE
    Publication number: 20150212073
    Abstract: A compound represented by the formula (I) [R1 represents hydrogen atom or a substituent; R2, R3, R6, and R7 represent hydrogen atom, an alkyl group, a halogen atom, or a hydrophilic substituent; R4 and R5 represent an alkyl group or an aryl group; R8 and R9 represent a group cleaved by contact with an object substance for measurement; and X represents silicon atom, germanium atom, or tin atom] or a salt thereof, which is useful as a fluorescent probe that emits red fluorescence by contact with an object substance for measurement.
    Type: Application
    Filed: February 15, 2013
    Publication date: July 30, 2015
    Inventors: Tetsuo Nagano, Kenjiro Hanaoka, Kazuhisa Hirabayashi, Yuko Toki