Patents by Inventor Yu Kushida

Yu Kushida 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).

  • Asymmetrical Si rhodamine and rhodol synthesis
    Patent number: 9714260
    Abstract: [Problem] To provide: a compound resulting from substituting with a silicon atom the oxygen atom at position 10 of a xanthene ring site of a rhodamine of which amino groups at position 3 and position 6 have an asymmetrical structure; a method for producing the compound; and a fluorescent probe that uses the compound. [Solution] The compound represented by general formula (I) or a salt thereof.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: July 25, 2017
    Assignee: THE UNIVERSITY OF TOKYO
    Inventors: Tetsuo Nagano, Kenjiro Hanaoka, Takahiro Egawa, Yu Kushida, Koji Numasawa, Takuya Myochin, Wen Piao
  • Fluorescent probe
    Patent number: 9329184
    Abstract: A compound represented by the formula (I) (R1 represents a substituent on the benzene ring; R2 represents a monovalent substituent; R3 and R4 represent hydrogen atom, or an alkyl group; R5 and R6 represent an alkyl group, or an aryl group; R7 and R8 represent hydrogen atom, or an alkyl group; R9 and R10 represent hydrogen atom, or a monovalent substituent; and X represents silicon atom, germanium atom, or tin atom), or a salt thereof.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: May 3, 2016
    Assignee: THE UNIVERSITY OF TOKYO
    Inventors: Tetsuo Nagano, Kenjiro Hanaoka, Yuichiro Koide, Takahiro Egawa, Yu Kushida
  • FLUORESCENT PROBE FOR DETECTING ACTIVITY OF CALPAIN
    Publication number: 20160102336
    Abstract: [Problem] To provide a novel fluorescent probe for detecting the activity of calpain. [Solution] A compound represented by general formula (I) or a salt thereof.
    Type: Application
    Filed: March 4, 2014
    Publication date: April 14, 2016
    Applicant: THE UNIVERSITY OF TOKYO
    Inventors: Tetsuo NAGANO, Kenjiro HANAOKA, Yu KUSHIDA
  • ASYMMETRICAL SI RHODAMINE AND RHODOL SYNTHESIS
    Publication number: 20150353585
    Abstract: [Problem] To provide: a compound resulting from substituting with a silicon atom the oxygen atom at position 10 of a xanthene ring site of a rhodamine of which amino groups at position 3 and position 6 have an asymmetrical structure; a method for producing the compound; and a fluorescent probe that uses the compound. [Solution] The compound represented by general formula (I) or a salt thereof.
    Type: Application
    Filed: January 7, 2014
    Publication date: December 10, 2015
    Applicant: THE UNIVERSITY OF TOKYO
    Inventors: Tetsuo NAGANO, Kenjiro HANAOKA, Takahiro EGAWA, Yu KUSHIDA, Koji NUMASAWA, Takuya MYOCHIN, Wen PIAO
  • FLUORESCENT PROBE
    Publication number: 20140342384
    Abstract: A compound represented by the formula (I) (R1 represents a substituent on the benzene ring; R2 represents a monovalent substituent; R3 and R4 represent hydrogen atom, or an alkyl group; R5 and R6 represent an alkyl group, or an aryl group; R7 and R8 represent hydrogen atom, or an alkyl group; R9 and R10 represent hydrogen atom, or a monovalent substituent; and X represents silicon atom, germanium atom, or tin atom), or a salt thereof.
    Type: Application
    Filed: February 17, 2012
    Publication date: November 20, 2014
    Applicant: THE UNIVERSITY OF TOKYO
    Inventors: Tetsuo Nagano, Kenjiro Hanaoka, Yuichiro Koide, Takahiro Egawa, Yu Kushida