Patents by Inventor Yu MIYAGI

Yu MIYAGI 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).

  • Polypeptide comprising cell-penetrating sequence and composition comprising same
    Patent number: 11505577
    Abstract: The present application provides: a polypeptide characterized by having an ability of penetrating into a cell and the structure represented by Formula (I) wherein n is a number of 2 to 20; R1 and R2 may independently represent a C1-C4 alkyl group or may bind to each other to form a ring; R3 represents a C1-C10 primary aminoalkyl group; R4 represents a hydrogen atom or a C1-C10 hydrocarbon group; the “n” number of R1, R2, R3, and R4 may independently be the same with or different from each other; and the N-terminus and the C-terminus may or may not be modified independently; and a cell-invasive composition comprising the polypeptide and a substance of interest.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: November 22, 2022
    Assignee: RIKEN
    Inventors: Keiji Numata, Kosuke Tsuchiya, Yu Miyagi, Takaaki Miyamoto
  • POLYPEPTIDE COMPRISING CELL-PENETRATING SEQUENCE AND COMPOSITION COMPRISING SAME
    Publication number: 20200347098
    Abstract: The present application provides: a polypeptide characterized by having an ability of penetrating into a cell and the structure represented by Formula (I) wherein n is a number of 2 to 20; R1 and R2 may independently represent a C1-C4 alkyl group or may bind to each other to form a ring; R3 represents a C1-C10 primary aminoalkyl group; R4 represents a hydrogen atom or a C1-C10 hydrocarbon group; the “n” number of R1, R2, R3, and R4 may independently be the same with or different from each other; and the N-terminus and the C-terminus may or may not be modified independently; and a cell-invasive composition comprising the polypeptide and a substance of interest.
    Type: Application
    Filed: March 27, 2020
    Publication date: November 5, 2020
    Applicant: RIKEN
    Inventors: Keiji NUMATA, Kosuke TSUCHIYA, Yu MIYAGI, Takaaki MIYAMOTO