Patents by Inventor Ryosuke YAZAWA

Ryosuke YAZAWA 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).

  • METHOD FOR INDUCING DIFFERENTIATION OF UNDIFFERENTIATED GERM CELLS INTO GERM CELL LINEAGE
    Publication number: 20250324952
    Abstract: Provided is a method for obtaining the germ cell lineage of an oviparous vertebrate more efficiently than conventional techniques. A host oviparous vertebrate is prepared at a developmental stage after the development of black pigmentary cells in the retina and before the formation of multiple layers of germ cells in the genitals, and isolated undifferentiated germ cells from a donor oviparous vertebrate are transplanted into the host oviparous vertebrate.
    Type: Application
    Filed: October 27, 2022
    Publication date: October 23, 2025
    Applicant: National University Corporation Tokyo University of Marine Science and Technology
    Inventors: Goro YOSHIZAKI, Ryosuke YAZAWA, Aiko SANO
  • Transplant Fish Production Method, Transplant Fish, Hybrid Fish Species Production Method, and Hybrid Fish Species
    Publication number: 20250113807
    Abstract: The transplant fish production method includes selecting a donor fish species, selecting first and second fish species which are a combination that could be sterile, producing a hybrid fish species of the selected first fish species and second fish species, and transplanting reproductive cells of the donor fish species into the produced hybrid fish species.
    Type: Application
    Filed: July 18, 2024
    Publication date: April 10, 2025
    Applicants: Nissui Corporation, National University Corporation Tokyo University of Marine Science and Technology
    Inventors: Goro Yoshizaki, Yutaka Takeuchi, Ryosuke Yazawa, Wataru Kawamura
  • TRANSPLANT FISH PRODUCTION METHOD, TRANSPLANT FISH, HYBRID FISH SPECIES PRODUCTION METHOD, AND HYBRID FISH SPECIES
    Publication number: 20220022431
    Abstract: The transplant fish production method includes selecting a donor fish species, selecting first and second fish species which are a combination that could be sterile, producing a hybrid fish species of the selected first fish species and second fish species, and transplanting reproductive cells of the donor fish species into the produced hybrid fish species.
    Type: Application
    Filed: March 1, 2021
    Publication date: January 27, 2022
    Applicants: National University Corporation Tokyo University of Marine Science and Technology, Nippon Suisan Kaisha, Ltd.
    Inventors: Goro YOSHIZAKI, Yutaka TAKEUCHI, Ryosuke YAZAWA, Wataru KAWAMURA
  • TRANSPLANT FISH PRODUCTION METHOD, TRANSPLANT FISH, HYBRID FISH SPECIES PRODUCTION METHOD, AND HYBRID FISH SPECIES
    Publication number: 20180035652
    Abstract: The transplant fish production method includes selecting a donor fish species, selecting first and second fish species which are a combination that could be sterile, producing a hybrid fish species of the selected first fish species and second fish species, and transplanting reproductive cells of the donor fish species into the produced hybrid fish species.
    Type: Application
    Filed: September 25, 2017
    Publication date: February 8, 2018
    Applicant: National University Corporation Tokyo University of Marine Science and Technology
    Inventors: Goro YOSHIZAKI, Yutaka TAKEUCHI, Ryosuke YAZAWA, Wataru KAWAMURA