Granted Patent
Utility
US 4,191,808 · App. 05/897,043
Method of measuring dipeptidyl-amino-peptidase activity
Inventors:
Toshiharu Nagatsu, Shumpei Sakakibara
Patented Case
View Patent ↗
Granted: Mar 4, 1980
Filed: Apr 17, 1978
Inventors
Toshiharu Nagatsu
Shumpei Sakakibara
Assignee (at issue)
AJINOMOTO CO., 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.