Patents by Inventor Yung-Hsiang Kao

Yung-Hsiang Kao 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).

  • Publication number: 20250243291
    Abstract: The invention concerns methods and means for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Application
    Filed: November 8, 2024
    Publication date: July 31, 2025
    Applicant: Genentech, Inc.
    Inventors: Yung-Hsiang KAO, Michael W. LAIRD, Melody Trexler SCHMIDT, Rita L. WONG, Daniel P. HEWITT
  • Publication number: 20250084181
    Abstract: The present application discloses variants of Pertuzumab. In particular, it discloses: an unpaired cysteine variant comprising Cys23/Cys88 unpaired cysteines in one or both variable light domains of Pertuzumab, an afucosylated variant of Pertuzumab, a low-molecular-weight-species (LMWS) of Pertuzumab, and a high-molecular-weight-species (HMWS) or Pertuzumab. The application further discloses the isolated variants, compositions, pharmaceutical compositions, and articles of manufacture comprising the variants, as well as methods of making and characterizing the variants and compositions thereof.
    Type: Application
    Filed: October 14, 2024
    Publication date: March 13, 2025
    Applicant: Genentech, Inc.
    Inventors: Lynn A. Gennaro, Yung-Hsiang Kao, Yonghua Zhang
  • Publication number: 20240425610
    Abstract: The invention concerns methods and means for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Application
    Filed: September 4, 2024
    Publication date: December 26, 2024
    Applicant: Genentech, Inc.
    Inventors: Yung-Hsiang KAO, Michael W. LAIRD, Melody Trexler SCHMIDT, Rita L. WONG, Daniel P. HEWITT
  • Patent number: 12173080
    Abstract: The invention concerns methods for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Grant
    Filed: September 4, 2024
    Date of Patent: December 24, 2024
    Assignee: Genentech, Inc.
    Inventors: Yung-Hsiang Kao, Michael W. Laird, Melody Trexler Schmidt, Rita L. Wong, Daniel P. Hewitt
  • Patent number: 12145998
    Abstract: The present application discloses variants of Pertuzumab. In particular, it discloses: an unpaired cysteine variant comprising Cys23/Cys88 unpaired cysteines in one or both variable light domains of Pertuzumab, an afucosylated variant of Pertuzumab, a low-molecular-weight-species (LMWS) of Pertuzumab, and a high-molecular-weight-species (HMWS) or Pertuzumab. The application further discloses the isolated variants, compositions, pharmaceutical compositions, and articles of manufacture comprising the variants, as well as methods of making and characterizing the variants and compositions thereof.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: November 19, 2024
    Assignee: Genentech, Inc.
    Inventors: Lynn A. Gennaro, Yung-Hsiang Kao, Yonghua Zhang
  • Patent number: 12145997
    Abstract: The invention concerns methods for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Grant
    Filed: April 26, 2024
    Date of Patent: November 19, 2024
    Assignee: Genentech, Inc.
    Inventors: Yung-Hsiang Kao, Michael W. Laird, Melody Trexler Schmidt, Rita L. Wong, Daniel P. Hewitt
  • Patent number: 12098211
    Abstract: The invention concerns methods and means for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Grant
    Filed: March 31, 2023
    Date of Patent: September 24, 2024
    Assignee: Genentech, Inc.
    Inventors: Yung-Hsiang Kao, Michael W. Laird, Melody Trexler Schmidt, Rita L. Wong, Daniel P. Hewitt
  • Publication number: 20240301080
    Abstract: The invention concerns methods and means for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Application
    Filed: April 26, 2024
    Publication date: September 12, 2024
    Applicant: Genentech, Inc.
    Inventors: Yung-Hsiang KAO, Michael W. LAIRD, Melody Trexler SCHMIDT, Rita L. WONG, Daniel P. HEWITT
  • Patent number: 11999791
    Abstract: The invention concerns methods for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Grant
    Filed: May 1, 2023
    Date of Patent: June 4, 2024
    Assignee: Genentech, Inc.
    Inventors: Yung-Hsiang Kao, Michael W. Laird, Melody Trexler Schmidt, Rita L. Wong, Daniel P. Hewitt
  • Patent number: 11987637
    Abstract: The invention concerns methods for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Grant
    Filed: January 11, 2024
    Date of Patent: May 21, 2024
    Assignee: Genentech, Inc.
    Inventors: Yung-Hsiang Kao, Michael W. Laird, Melody Trexler Schmidt, Rita L. Wong, Daniel P. Hewitt
  • Patent number: 11987638
    Abstract: The invention concerns methods for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Grant
    Filed: January 11, 2024
    Date of Patent: May 21, 2024
    Assignee: Genentech, Inc.
    Inventors: Yung-Hsiang Kao, Michael W. Laird, Melody Trexler Schmidt, Rita L. Wong, Daniel P. Hewitt
  • Publication number: 20240158527
    Abstract: The invention concerns methods and means for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 16, 2024
    Applicant: Genentech, Inc.
    Inventors: Yung-Hsiang KAO, Michael W. LAIRD, Melody Trexler SCHMIDT, Rita L. WONG, Daniel P. HEWITT
  • Publication number: 20240150486
    Abstract: The invention concerns methods and means for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 9, 2024
    Applicant: Genentech, Inc.
    Inventors: Yung-Hsiang KAO, Michael W. LAIRD, Melody Trexler SCHMIDT, Rita L. WONG, Daniel P. HEWITT
  • Patent number: 11976127
    Abstract: The invention concerns methods and means for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: May 7, 2024
    Assignee: Genentech, Inc.
    Inventors: Yung-Hsiang Kao, Michael W. Laird, Melody Trexler Schmidt, Rita L. Wong, Daniel P. Hewitt
  • Publication number: 20240132612
    Abstract: The invention concerns methods and means for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Application
    Filed: April 20, 2023
    Publication date: April 25, 2024
    Applicant: Genentech, Inc.
    Inventors: Yung-Hsiang Kao, Michael W. Laird, Melody Trexler Schmidt, Rita L. Wong, Daniel P. Hewitt
  • Publication number: 20230383004
    Abstract: The invention concerns methods and means for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Application
    Filed: March 31, 2023
    Publication date: November 30, 2023
    Applicant: Genentech, Inc.
    Inventors: Yung-Hsiang KAO, Michael W. LAIRD, Melody Trexler SCHMIDT, Rita L. WONG, Daniel P. HEWITT
  • Publication number: 20230365704
    Abstract: The invention concerns methods and means for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Application
    Filed: May 1, 2023
    Publication date: November 16, 2023
    Applicant: Genentech, Inc.
    Inventors: Yung-Hsiang KAO, Michael W. LAIRD, Melody Trexler SCHMIDT, Rita L. WONG, Daniel P. HEWITT
  • Patent number: 11639395
    Abstract: The invention concerns methods for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: May 2, 2023
    Assignee: Genentech, Inc.
    Inventors: Yung-Hsiang Kao, Michael W. Laird, Melody Trexler Schmidt, Rita L. Wong, Daniel P. Hewitt
  • Publication number: 20230047103
    Abstract: The present application discloses variants of Pertuzumab. In particular, it discloses: an unpaired cysteine variant comprising Cys23/Cys88 unpaired cysteines in one or both variable light domains of Pertuzumab, an afucosylated variant of Pertuzumab, a low-molecular-weight-species (LMWS) of Pertuzumab, and a high-molecular-weight-species (HMWS) or Pertuzumab. The application further discloses the isolated variants, compositions, pharmaceutical compositions, and articles of manufacture comprising the variants, as well as methods of making and characterizing the variants and compositions thereof.
    Type: Application
    Filed: June 27, 2022
    Publication date: February 16, 2023
    Applicant: Genentech, Inc.
    Inventors: Lynn A. Gennaro, Yung-Hsiang Kao, Yonghua Zhang
  • Patent number: 11078294
    Abstract: The invention concerns methods for preventing the reduction of disulfide bonds during the recombinant production of disulfide-containing polypeptides. In particular, the invention concerns the prevention of disulfide bond reduction during harvesting of disulfide-containing polypeptides, including antibodies, from recombinant host cell cultures.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: August 3, 2021
    Assignee: Genentech, Inc.
    Inventors: Yung-Hsiang Kao, Michael W. Laird, Melody Trexler Schmidt, Rita L. Wong, Daniel P. Hewitt