Patents by Inventor Chizu Ishida

Chizu Ishida 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).

  • Method for clinical examination based on the structures of immunoglobin G-linked oligosaccharides
    Patent number: 5831037
    Abstract: The present invention relates to a novel clinical examination method which comprises analyzing the alteration in the amount of a specific component in oligosaccharides of immunogloblin G. Human diseases such as liver diseases, malignant hypertension, immunogloblin A-nephropathy, pediatric disorders, etc., are examined in terms of the alteration in bisecting N-acetylglucosamine-containing oligosaccharides in immunogloblin G from collected humor. The present invention provides highly accurate information in a manner applicable to practical operation for examination of liver diseases, allergic diseases, malignant hypertension, immunogloblin A nephropathy, pediatric disorders, as well as aging-dependent variations and the therapeutic effect of interferon.
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: November 3, 1998
    Assignee: Nakano Vinegar Co., Ltd.
    Inventors: Hiroyuki Ohsuga, Hiroaki Nakagawa, Chizu Ishida, Masahiro Fujimori, Yoshinori Tsukamoto, Noriko Takahashi, Yoshiya Kawamura, Masashi Mizokami, Koichi Sato, Kazuo Yoshioka, Tetsuya Kibe