Patents by Inventor Cheiko Kitaura

Cheiko Kitaura 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).

  • Polymeric beads for oligomer synthesis
    Patent number: 7700706
    Abstract: The present invention provides solid support media for use in oligomer synthesis, methods of producing the media, and methods of using the media. In some embodiments, the processes of the invention comprise (a) providing an organic phase comprising an olefin monomer, a cross-linker, a functionalizing reagent and an initiator; and (b) contacting the organic phase with an aqueous phase under conditions of time and temperature effective to form the polymeric bead.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: April 20, 2010
    Assignee: Isis Pharmaceuticals, Inc.
    Inventors: Vasulinga Ravikumar, Raju K. Kumar, Kenjirou Mori, Tatsuya Konishi, Ayako Matsunawa, Takeo Matsumura, Cheiko Kitaura, Gang Zhao
  • POLYMERIC BEADS FOR OLIGOMER SYNTHESIS
    Publication number: 20090286085
    Abstract: The present invention provides solid support media for use in oligomer synthesis, methods of producing the media, and methods of using the media. In some embodiments, the processes of the invention comprise (a) providing an organic phase comprising an olefin monomer, a cross-linker, a functionalizing reagent and an initiator; and (b) contacting the organic phase with an aqueous phase under conditions of time and temperature effective to form the polymeric bead.
    Type: Application
    Filed: July 28, 2009
    Publication date: November 19, 2009
    Applicants: Isis Pharmaceuticals, Inc., Nitto-Denko
    Inventors: Vasulinga Ravikumar, Raju K. Kumar, Kenjirou Mori, Tatsuya Konishi, Ayako Matsunawa, Takeo Matsumura, Cheiko Kitaura, Gang Zhao
  • POLYMERIC BEADS FOR OLIGOMER SYNTHESIS
    Publication number: 20080097028
    Abstract: The present invention provides solid support media for use in oligomer synthesis, methods of producing the media, and methods of using the media. In some embodiments, the processes of the invention comprise (a) providing an organic phase comprising an olefin monomer, a cross-linker, a functionalizing reagent and an initiator; and (b) contacting the organic phase with an aqueous phase under conditions of time and temperature effective to form the polymeric bead.
    Type: Application
    Filed: December 17, 2007
    Publication date: April 24, 2008
    Applicants: lsis Pharmaceuticals, Inc., Nitto-Denko
    Inventors: Vasulinga Ravikumar, Raju Kumar, Kenjirou Mori, Tatsuya Konishi, Ayako Matsunawa, Takeo Matsumura, Cheiko Kitaura, Gang Zhao
  • Polymeric beads for oligomer synthesis
    Patent number: 7348391
    Abstract: The present invention provides solid support media for use in oligomer synthesis, methods of producing the media, and methods of using the media. In some embodiments, the processes of the invention comprise (a) providing an organic phase comprising an olefin monomer, a cross-linker, a functionalizing reagent and an initiator; and (b) contacting the organic phase with an aqueous phase under conditions of time and temperature effective to form the polymeric bead.
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: March 25, 2008
    Assignees: Isis Pharmaceuticals, Inc., Nitto Denko Corporation
    Inventors: Vasulinga Ravikumar, Raju K. Kumar, Kenjirou Mori, Tatsuya Konishi, Ayako Matsunawa, Takeo Matsumura, Cheiko Kitaura, Gang Zhao
  • Polymeric beads for oligomer synthesis
    Publication number: 20060051800
    Abstract: The present invention provides solid support media for use in oligomer synthesis, methods of producing the media, and methods of using the media. In some embodiments, the processes of the invention comprise (a) providing an organic phase comprising an olefin monomer, a cross-linker, a functionalizing reagent and an initiator; and (b) contacting the organic phase with an aqueous phase under conditions of time and temperature effective to form the polymeric bead.
    Type: Application
    Filed: September 2, 2005
    Publication date: March 9, 2006
    Applicant: ISIS Pharmaceuticals, Inc.
    Inventors: Vasulinga Ravikumar, Raju Kumar, Kenjirou Mori, Tatsuya Konishi, Ayako Matsunawa, Takeo Matsumura, Cheiko Kitaura, Gang Zhao