Patents by Inventor Takehiko Tachibana

Takehiko Tachibana 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).

  • Continuous and spontaneous interferon producing lymphoblastoid cell lines, process for preparing the same, and process for the human interferon production by the same
    Patent number: 4469790
    Abstract: Process for preparing a continuous and spontaneous human-interferon-producing lymphoblastoid cell line which involves (a) transforming human lymphocytes isolated from a human infant from birth up to about 2 years or an aborted human fetus, the transforming being carried out with Epstein Barr Virus and (b) selecting from the resulting transformed cell lines a cell line producing more than 1000 units of interferon per milliliter when cultivated at a cell density of 10.sup.6 cells per milliliter in the absence of any interferon inducer.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: September 4, 1984
    Assignee: Ajinomoto Co., Inc.
    Inventors: Isao Yamane, Takeshi Sato, Toshio Kudo, Yoshiki Minamoto, Takehiko Tachibana