Granted Patent
Utility
US 5,874,404 · App. 08/238,027
Immunoglobulin E receptor .alpha.-chain inhibits IgE production and secondary allergic responses
Inventors:
Chisei Ra, Koji Naito, Minoru Hirama, Ko Okumura, Yukiyoshi Yanagihara
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: May 3, 1994
Inventors
Chisei Ra
Koji Naito
Minoru Hirama
Ko Okumura
Yukiyoshi Yanagihara
Assignees (at issue)
Chisei Ra
Green Cross Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.