Patents by Inventor Shoichi MITSUNAKA

Shoichi MITSUNAKA 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).

  • Host bacterium specific nanoparticle
    Patent number: 11939592
    Abstract: An object of the present invention is to provide a recombinant phage having high safety and excellent practicality and usefulness. Provided are a recombinant bacteriophage which is deprived of its proliferative capacity and can infect only once due to the fact that a bacteriophage genome in which a part of a virion constituent gene is deleted is stored in a head, and a method for preparing the same. In addition, provided are a recombinant bacteriophage which is deprived of its proliferative capacity and can infect only once due to the fact that a plasmid having a packaging site and encoding a target gene is stored in a head, and a method for preparing the same.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: March 26, 2024
    Assignee: NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM
    Inventors: Shoichi Mitsunaka, Hiroki Ando
  • HOST BACTERIUM SPECIFIC NANOPARTICLE
    Publication number: 20220056474
    Abstract: An object of the present invention is to provide a recombinant phage having high safety and excellent practicality and usefulness. Provided are a recombinant bacteriophage which is deprived of its proliferative capacity and can infect only once due to the fact that a bacteriophage genome in which a part of a virion constituent gene is deleted is stored in a head, and a method for preparing the same. In addition, provided are a recombinant bacteriophage which is deprived of its proliferative capacity and can infect only once due to the fact that a plasmid having a packaging site and encoding a target gene is stored in a head, and a method for preparing the same.
    Type: Application
    Filed: December 5, 2019
    Publication date: February 24, 2022
    Applicant: NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM
    Inventors: Shoichi MITSUNAKA, Hiroki ANDO