Patents by Inventor Tadashi Hitaguchi

Tadashi Hitaguchi 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).

  • Expression vector for insulin-like growth factor I and method of production
    Patent number: 5340725
    Abstract: Two-cistronic Met-IGF-I expression vector, in which the first cistron encodes a protective peptide with a molecular weight of about 500-50,000 and the second cistron encodes IGF-I, was provided. Also provided is a process for preparing Met-IGF-I, which comprises transforming E. coli with said vector and growing the resultant transformant, followed by the lysis of the cell culture and isolation of Met-IGF-I.
    Type: Grant
    Filed: February 1, 1993
    Date of Patent: August 23, 1994
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Ikuo Ueda, Mineo Niwa, Yoshimasa Saito, Yoshinori Ishii, Tadashi Hitaguchi