Granted Patent
Utility
US 5,162,220 · App. 07/304,211
KEX2 endoprotease without a C-terminal hydrophobic region
Inventors:
Takehiro Oshima, Kensaku Mizuno
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Jan 31, 1989
Inventors
Takehiro Oshima
Kensaku Mizuno
Assignees (at issue)
SUNTORY HOLDINGS LIMITED
Hisayuki Matsuo
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.