Granted Patent
Utility
US 6,831,067 · App. 10/181,252
Substance having physiological property, method for producing the same and uses thereof
Inventors:
Hajime Fujii, Takashi Nakagawa, Buxiang Sun
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jul 16, 2002
Inventors
Hajime Fujii
Takashi Nakagawa
Buxiang Sun
Assignee (at issue)
AMINO UP CHEMICAL 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.