Patents by Inventor Shunpei Sakakibara

Shunpei Sakakibara 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).

  • Patent number: 4261885
    Abstract: Novel somatostatin analogs exhibiting high activity in inhibiting insulin glucagon and growth hormone secretion are depicted by the formula: ##STR1## and pharmaceutically acceptable acid addition salts thereof.
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: April 14, 1981
    Assignee: Shiraimatsu Shingaku Co., Ltd.
    Inventors: Shunpei Sakakibara, Yukio Shigeta
  • Patent number: 3988309
    Abstract: A polypeptide having calcitonin activity of the formula ##EQU1## and the salts thereof with pharmaceutically acceptable acids.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: October 26, 1976
    Assignee: Toyo Jozo Kabushiki Kaisha
    Inventors: Tetsuo Matsuda, Susumu Watanabe, Shunpei Sakakibara, Eisuke Munekata, Tadanori Morikawa, Masaru Otani, Toshiharu Noda, Hirose Yamauchi, Tosio Meguro, Shuichi Kitazawa