Granted Patent
Utility
US 5,658,924 · App. 08/448,408
1,8-naphthyridin-2-one derivative and use thereof
Inventors:
Akihiro Matsuura, Naoki Ashizawa, Takema Hase
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Jun 1, 1995
Inventors
Akihiro Matsuura
Naoki Ashizawa
Takema Hase
Assignee (at issue)
Green Cross Corporation
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.