Granted Patent
Utility
US 5,445,812 · App. 08/325,648
Angiographic adjuvant
Inventor:
Yasuyuki Gotou
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Oct 19, 1994
Inventor
Yasuyuki Gotou
Assignees (at issue)
Green Cross Corporation
TAISHO PHARMACEUTICAL 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.