Granted Patent
Utility
US 6,475,506 · App. 09/244,931
Infusion preparation
Inventors:
Tadaaki Inoue, Hideto Kodaira, Yoshihito Nawa, Ryoichiro Murashima, Shunichi Abe, Kazumasa Yokoyama
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Feb 10, 1999
Inventors
Tadaaki Inoue
Hideto Kodaira
Yoshihito Nawa
Ryoichiro Murashima
Shunichi Abe
Kazumasa Yokoyama
Assignee (at issue)
Yoshitomi Pharmaceutical
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.