Granted Patent
Utility
US 6,172,196 · App. 08/894,344
DNA encoding protein complementing yeast low temperature-sensitive fermentability
Inventors:
Hideki Kawasaki, Masaya Tokai, Yasuhiro Kikuchi, Kozo Ouchi
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Aug 15, 1997
Inventors
Hideki Kawasaki
Masaya Tokai
Yasuhiro Kikuchi
Kozo Ouchi
Assignee (at issue)
KYOWA HAKKO KOGYO CO., LTD.
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.