Patents by Inventor Nianchun Ma

Nianchun Ma 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).

  • NUCLEIC ACID DELIVERY COMPOUNDS
    Publication number: 20120107264
    Abstract: Polymers including two or more different recurring units are disclosed herein. Also disclosed herein are methods of using such polymers to deliver nucleic acids to a cell.
    Type: Application
    Filed: October 13, 2011
    Publication date: May 3, 2012
    Applicant: Nitto Denko Corporation
    Inventors: Padmanabh Chivukula, Jian Liu, Akinobu Soma, Keisaku Okada, Sang Van, Julia Zhu, Nianchun Ma, Chen-Chang Lee, Fu Chen, Lei Yu
  • NUCLEIC ACID DELIVERY COMPOUNDS
    Publication number: 20120093762
    Abstract: Polymers including two or more different recurring units are disclosed herein. Also disclosed herein are methods of using such polymers to deliver nucleic acids to a cell.
    Type: Application
    Filed: October 13, 2011
    Publication date: April 19, 2012
    Applicant: Nitto Denko Corporation
    Inventors: Padmanabh Chivakula, Jian Liu, Sang Van, Akinobu Soma, Keisaku Okada, Lei Yu, Nianchun Ma
  • DRUG CARRIERS
    Publication number: 20110257249
    Abstract: Compositions that can include a cationic polymeric carrier, targeting agent, and therapeutic agent are disclosed herein. The therapeutic agent may have a therapeutic activity such as inhibiting fibrosis within a target organ or tissue or inhibiting the growth of a cancer cell.
    Type: Application
    Filed: June 28, 2011
    Publication date: October 20, 2011
    Applicant: Nitto Denko Corporation
    Inventors: Yoshiro Niitsu, Lei Yu, Jian Liu, Gang Zhao, Nianchun Ma, Sang Van
  • Drug carriers
    Patent number: 8003621
    Abstract: Compositions that can include a cationic polymeric carrier, targeting agent, and therapeutic agent are disclosed herein. The therapeutic agent may have a therapeutic activity such as inhibiting fibrosis within a target organ or tissue or inhibiting the growth of a cancer cell.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: August 23, 2011
    Assignee: Nitto Denko Corporation
    Inventors: Yoshiro Niitsu, Lei Yu, Jian Liu, Gang Zhao, Nianchun Ma, Sang Van
  • DRUG CARRIERS
    Publication number: 20090105179
    Abstract: Compositions that can include a cationic polymeric carrier, targeting agent, and therapeutic agent are disclosed herein. The therapeutic agent may have a therapeutic activity such as inhibiting fibrosis within a target organ or tissue or inhibiting the growth of a cancer cell.
    Type: Application
    Filed: September 12, 2008
    Publication date: April 23, 2009
    Inventors: Lei Yu, Jian Liu, Gang Zhao, Nianchun Ma, Sang Van
  • WATER SOLUBLE CROSSLINKED POLYMERS
    Publication number: 20080312174
    Abstract: Compositions for siRNA delivery are described which include water soluble degradable crosslinked cationic polymers having a water soluble polyethylene glycol component, a cationic polyethyleneimine component and a degradable unit component. The composition may be used to deliver siRNA to cells, particularly cancer cells. The composition may be applied to a solid surface such as a multiwell plate so that the delivery of siRNA may be carried out on the solid surface.
    Type: Application
    Filed: May 23, 2008
    Publication date: December 18, 2008
    Applicant: Nitto Denko Corporation
    Inventors: Lei Yu, Gang Zhao, Nianchun Ma, Xin Zhao, Jian Liu, Yasunobu Tanaka