Patents by Inventor Shinya Kaname

Shinya Kaname 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).

  • Polyion complex of double-stranded ribonucleic acid
    Patent number: 8668933
    Abstract: Provided are a delivery system that is useful in delivering a double-stranded ribonucleic acid that functions in gene silencing in glomeruli, particularly in mesangial cells and the like, to the tissue or cells, and the like. A polyion complex in the form of a non-polymeric micelle consisting of a double-stranded ribonucleic acid and a block copolymer represented by the formula (I) or (II) below, which are electrostatically bound together, wherein the polyion complex has an average particle diameter of less than 100 nm as measured by a dynamic light scattering measuring method: wherein each symbol is as defined in the specification.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: March 11, 2014
    Assignee: The University of Tokyo
    Inventors: Yuichi Hori, Kazunori Kataoka, Toshiro Fujita, Hideki Shimizu, Shinya Kaname, Satoru Matsumoto, Nobuhiro Nishiyama, Kanjiro Miyata, Makoto Oba
  • POLYION COMPLEX OF DOUBLE-STRANDED RIBONUCLEIC ACID
    Publication number: 20120076836
    Abstract: Provided are a delivery system that is useful in delivering a double-stranded ribonucleic acid that functions in gene silencing in glomeruli, particularly in mesangial cells and the like, to the tissue or cells, and the like. A polyion complex in the form of a non-polymeric micelle consisting of a double-stranded ribonucleic acid and a block copolymer represented by the formula (I) or (II) below, which are electrostatically bound together, wherein the polyion complex has an average particle diameter of less than 100 nm as measured by a dynamic light scattering measuring method: wherein each symbol is as defined in the specification.
    Type: Application
    Filed: March 31, 2010
    Publication date: March 29, 2012
    Applicant: THE UNIVERSITY OF TOKYO
    Inventors: Yuichi Hori, Kazunori Kataoka, Toshiro Fujita, Hideki Shimizu, Shinya Kaname, Satoru Matsumoto, Nobuhiro Nishiyama, Kanjiro Miyata, Makoto Oba