Patents by Inventor Michi Kodama

Michi Kodama 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 of producing reverse transcriptase
    Patent number: 4729955
    Abstract: A method of producing reverse transcriptase, which comprises isolating a fraction containing retrovirus from a tissue culture fluid supernatant of retrovirus producing cells which are able to grow and propagate in vitro, treating said fraction at least once by sucrose density gradient centrifugation to thereby obtain a purified retrovirus, and extracting reverse transcriptase from said purified retrovirus.
    Type: Grant
    Filed: December 8, 1983
    Date of Patent: March 8, 1988
    Assignee: Director of The National Institute of Animal Health
    Inventors: Michi Kodama, Kiichi Sekiguchi, Masanori Kubo