Granted Patent
Utility
US 6,235,490 · App. 09/181,854
Immunoassay of human growth hormone with a molecular weight of about 20,000
Inventors:
Ichiro Ikeda, Naoko Kono, Tadashi Makino, Yoshihide Hashimoto
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Oct 29, 1998
Inventors
Ichiro Ikeda
Naoko Kono
Tadashi Makino
Yoshihide Hashimoto
Assignee (at issue)
MITSUI CHEMICALS, INC.
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.