Patents by Inventor Yasuo Koishibara

Yasuo Koishibara 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 detection or measuring plasmocytoma cells
    Patent number: 6602663
    Abstract: A method of detecting or determining plasmacytoma cells in a sample, said method comprising amplifying a polynucleotide that is specifically or strongly expressed in said plasmacytoma cells, and then detecting or measuring the amplified product.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: August 5, 2003
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Shigeto Kawai, Yasuo Koishibara, Masaaki Kosaka
  • Human interleukin-6 receptor expression inhibitor
    Patent number: 6596537
    Abstract: The present invention discloses an expression inhibitor of human interleukin-6 receptor (human IL-6R) comprising as its active ingredient an antisense oligonucleotide derivative that hybridizes to a region of at least 9 to 30 consecutive nucleotide sequences that contains a nucleotide sequence of a portion being able to form a loop structure of mRNA that codes for human IL-6R.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: July 22, 2003
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Kiyonori Kuromaru, Yasuo Koishibara