Granted Patent
Utility
US 6,066,352 · App. 09/078,571
Compositions containing novel protein complexes
Inventors:
Masashi Ogasawara, Kazuhiro Yamamoto, Makoto Watanabe
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: May 14, 1998
Inventors
Masashi Ogasawara
Kazuhiro Yamamoto
Makoto Watanabe
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.