Patents by Inventor Masao Nakagaki

Masao Nakagaki 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).

  • DRAGLINE PROTEIN
    Publication number: 20130267682
    Abstract: To provide a new natural fiber material with excellent physical properties. Any one of the following nucleic acids (a) to (d): (a) a nucleic acid having a base sequence of SEQ ID NO: 1 or 19; (b) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2 or 20; (c) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (a); (d) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (a) under stringent conditions.
    Type: Application
    Filed: June 18, 2013
    Publication date: October 10, 2013
    Inventors: Tianfu ZHAO, Yujun WANG, Masao NAKAGAKI
  • Nucleic acid encoding a silk protein and a method of producing a silk thread using same
    Patent number: 8519101
    Abstract: Disclosed are a protein encoded by any one of nucleic acids (i) to (iv): (i) a nucleic acid having a base sequence of SEQ ID NO: 1; (ii) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2; (iii) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (i); (iv) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (i) under stringent conditions, and a silk thread containing the protein.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: August 27, 2013
    Assignee: Okamoto Corporation
    Inventors: Tianfu Zhao, Masao Nakagaki
  • Dragline protein
    Patent number: 8492523
    Abstract: To provide a new natural fiber material with excellent physical properties. Any one of the following nucleic acids (a) to (d): (a) a nucleic acid having a base sequence of SEQ ID NO: 1 or 19; (b) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2 or 20; (c) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (a); (d) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (a) under stringent conditions.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: July 23, 2013
    Assignee: Okamoto Corporation
    Inventors: Tianfu Zhao, Yujun Wang, Masao Nakagaki
  • Nucleic acid encoding a silk protein and a method of producing a silk thread using same
    Patent number: 8394942
    Abstract: The present invention relates to a recombinant organism having any one of nucleic acids (i) to (iv) introduced therein: (i) a nucleic acid having a base sequence of SEQ ID NO: 1; (ii) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2; (iii) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (i); (iv) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (i) under stringent conditions.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: March 12, 2013
    Assignee: Okamoto Corporation
    Inventors: Tianfu Zhao, Masao Nakagaki
  • RECOMBINANT SILKWORM AND SILKWORM PROTEIN COMPRISING HETEROLOGOUS PROTEIN PRODUCED BY THE RECOMBINANT SILKWORM
    Publication number: 20120276590
    Abstract: The present invention relates to a recombinant organism having any one of nucleic acids (i) to (iv) introduced therein: (i) a nucleic acid having a base sequence of SEQ ID NO: 1; (ii) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2; (iii) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (i); (iv) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (i) under stringent conditions.
    Type: Application
    Filed: June 15, 2012
    Publication date: November 1, 2012
    Applicant: OKAMOTO CORPORATION
    Inventors: Tianfu ZHAO, Masao NAKAGAKI
  • Recombinant organism and protein produced by the recombinant organism
    Patent number: 8222479
    Abstract: The present invention relates to a recombinant organism having any one of nucleic acids (i) to (iv) introduced therein: (i) a nucleic acid having a base sequence of SEQ ID NO: 1; (ii) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2; (iii) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (i); (iv) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (i) under stringent conditions.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: July 17, 2012
    Assignee: Okamoto Corporation
    Inventors: Tianfu Zhao, Masao Nakagaki
  • DRAGLINE PROTEIN
    Publication number: 20120065372
    Abstract: To provide a new natural fiber material with excellent physical properties. Any one of the following nucleic acids (a) to (d): (a) a nucleic acid having a base sequence of SEQ ID NO: 1 or 19; (b) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2 or 20; (c) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (a); (d) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (a) under stringent conditions.
    Type: Application
    Filed: September 6, 2011
    Publication date: March 15, 2012
    Applicant: OKAMOTO CORPORATION
    Inventors: Tianfu ZHAO, Yujun WANG, Masao NAKAGAKI
  • RECOMBINANT ORGANISM AND PROTEIN PRODUCED BY THE RECOMBINANT ORGANISM
    Publication number: 20120065375
    Abstract: The present invention relates to a recombinant organism having any one of nucleic acids (i) to (iv) introduced therein: (i) a nucleic acid having a base sequence of SEQ ID NO: 1; (ii) a nucleic acid encoding a protein having an amino acid sequence of SEQ ID NO: 2; (iii) a nucleic acid encoding a dragline protein and having a sequence identity of 90% or more with the nucleic acid (i); (iv) a nucleic acid which encodes a dragline protein and hybridizes with a complementary chain of the nucleic acid (i) under stringent conditions.
    Type: Application
    Filed: September 7, 2011
    Publication date: March 15, 2012
    Applicant: OKAMOTO CORPORATION
    Inventors: Tianfu ZHAO, Masao NAKAGAKI