Granted Patent
Utility
US 5,885,821 · App. 08/805,918
Process for production of secretory Kex2 derivatives
Inventors:
Koji Magota, Toyofumi Masuda, Yuji Suzuki, Masayuki Yabuta
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Mar 4, 1997
Inventors
Koji Magota
Toyofumi Masuda
Yuji Suzuki
Masayuki Yabuta
Assignee (at issue)
SUNTORY HOLDINGS LIMITED
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.