Patents by Inventor Junko Sakaki

Junko Sakaki 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).

  • Anti-PAH monoclonal antibodies and cell lines producing the same
    Patent number: 6277964
    Abstract: The present invention provides monoclonal antibodies suitable for monitoring polycyclic aromatic hydrocarbons (PAHs) by an immunoasay, hybridoma cell lines producing said antibodies, and an immunoassay for analyzing PAHs in a sample using said monoclonal antibodies. In addition, the present invention provides PAH conjugates useful as an immunogen in preparing said antibodies and as a standard substance in a competitive assay.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: August 21, 2001
    Assignee: Osaka Gas Company Limited
    Inventors: Nobuhiko Yamashita, Kazunobu Miura, Naoya Ichimura, Chiwa Kataoka, Junko Sakaki, Yutaka Ohtani, Hirohisa Kitagawa
  • Anti-human calcitonin monoclonal antibodies and an immunoassay utilizing said antibodies
    Patent number: 6133427
    Abstract: Monoclonal antibodies having a high affinity for human calcitonin, particularly monoclonal antibodies suitable for a sandwich immunoassay are disclosed. Also disclosed are hybridomas producing said monoclonal antibodies and a sandwich immunoassay utilizing said antibodies for determining human calcitonin in blood.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: October 17, 2000
    Assignee: Osaka Gas Company Limited
    Inventors: Nobuhiko Yamashita, Manabu Nakamoto, Kazunobu Miura, Chiwa Kataoka, Junko Sakaki