Patents Assigned to Chisei Ra
  • Antiallergic compostion
    Patent number: 6090384
    Abstract: Disclosed is an antiallergic composition comprising, as an active ingredient, a peptide which is capable of binding to human IgE, more specifically the high-affinity immunoglobulin E receptor .alpha. chain or a soluble fragment, which is capable of binding to human IgE, or the high-affinity immunoglobulin E receptor .alpha. chain. The composition is clinically useful for blocking allergic responses.
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: July 18, 2000
    Assignees: Chisei RA, Yoshitomi Pharmaceuticals Industries, Ltd.
    Inventors: Chisei Ra, Koji Naito, Minoru Hirama, Ko Okumura
  • Immunoglobulin E receptor .alpha.-chain inhibits IgE production and secondary allergic responses
    Patent number: 5874404
    Abstract: Disclosed is an antiallergic composition comprising, as an active ingredient, a peptide which is capable of binding to human IgE, more specifically the high-affinity immunoglobulin E receptor .alpha.-chain or a soluble fragment, which is capable of binding to human IgE, or the high-affinity immunoglobulin E receptor .alpha.-chain. The composition is clinically useful for blocking allergic responses. An animal model for use in the screening of prophylactic and therapeutic compositions for IgE-related diseases is also disclosed.
    Type: Grant
    Filed: May 3, 1994
    Date of Patent: February 23, 1999
    Assignees: Chisei Ra, The Green Cross Corporation
    Inventors: Chisei Ra, Koji Naito, Minoru Hirama, Ko Okumura, Yukiyoshi Yanagihara