Patents by Inventor Shota Warashina

Shota Warashina 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).

  • Lipid membrane structure for intracellular delivery of siRNA
    Patent number: 10182987
    Abstract: A lipid membrane structure encapsulating an siRNA inside thereof and containing a lipid compound of the formula (I) as a lipid component (R1 and R2 represent CH3—(CH2)n—CH?CH—CH2—CH?CH—(CH2)m—, n represents an integer of 3 to 5, m represents an integer of 6 to 10, p represents an integer of 2 to 7, and R3 and R4 represent a C1-4 alkyl group or a C2-4 alkenyl group.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: January 22, 2019
    Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Hideyoshi Harashima, Yusuke Sato, Shota Warashina, Hiroto Hatakeyama, Mamoru Hyodo, Takashi Nakamura
  • LIPID MEMBRANE STRUCTURE FOR siRNA INTRACELLULAR DELIVERY
    Publication number: 20170273905
    Abstract: A lipid membrane structure encapsulating an siRNA inside thereof and containing a lipid compound of the formula (I) as a lipid component (R1 and R2 represent CH3—(CH2)n—CH?CH—CH2—CH?CH—(CH2)m—, n represents an integer of 3 to 5, m represents an integer of 6 to 10, p represents an integer of 2 to 7, and R3 and R4 represent a C1-4 alkyl group or a C2-4 alkenyl group.
    Type: Application
    Filed: May 18, 2015
    Publication date: September 28, 2017
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Hideyoshi Harashima, Yusuke Sato, Shota Warashina, Hiroto Hatakeyama, Mamoru Hyodo, Takashi Nakamura