Granted Patent
Utility
US 5,919,670 · App. 09/099,036
Process for producing L-amino acids by fermentation
Inventors:
Kazuyuki Okamoto, Masato Ikeda, Kuniki Kino
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Jun 18, 1998
Inventors
Kazuyuki Okamoto
Masato Ikeda
Kuniki Kino
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.