Patents by Inventor Hisamune Kato

Hisamune Kato 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).

  • Solubilized complement receptor type 1 in crystal form
    Publication number: 20040014136
    Abstract: The complement receptor sCR1 which can be utilized in analyzing the three-dimensional structure of sCR1 and is very useful as a complement activity inhibitor is provided in crystal form. Animal cells producing the complement receptor sCR1 are cultured in a two-step culture process using a serum-containing medium and a serum-free medium, the culture fluid or treated culture fluid obtained is purified in a two-step process employing affinity chromatography and size exclusion chromatography, and the purified product is crystallized.
    Type: Application
    Filed: February 7, 2003
    Publication date: January 22, 2004
    Inventors: Noriyuki Ishii, Pi-Chao Wang, Hisamune Kato, Masashi Mizuno