Patents by Inventor Bunichiro Nakajima

Bunichiro Nakajima 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).

  • Novel peptide and salts thereof and peptide antiallergic agents containing these peptides
    Patent number: 4933323
    Abstract: Novel peptide having the primary structure Asp-Ser-Asp-Gly-Lys or pharmaceutically acceptable salts thereof.The present peptide possesses activity of inhibiting histamine release and IgE antibody production in the onset of type I-allergy and is effective in the prevention or therapy of type I-allergias such as bronchial asthma, urticaria and allergic rhinitis.
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: June 12, 1990
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Keiichi Noguchi, Daisuke Irie, Bunichiro Nakajima