Granted Patent
Utility
US 5,290,708 · App. 07/915,124
Method of immunoassay measurement
Inventors:
Yoshihiro Ashihara, Isao Nishizono, Hidetaka Minakawa, Masahisa Okada, Yasusuke Sakurabayashi, Fumio Watanabe, Shin-ichi Wakana
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Jul 17, 1992
Inventors
Yoshihiro Ashihara
Isao Nishizono
Hidetaka Minakawa
Masahisa Okada
Yasusuke Sakurabayashi
Fumio Watanabe
Shin-ichi Wakana
Assignee (at issue)
FUJIREBIO 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.