Granted Patent
Utility
US 4,256,652 · App. 06/046,628
Platinum complex
Inventors:
Yoshinori Kidani, Masahide Noji
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: Jun 8, 1979
Inventors
Yoshinori Kidani
Masahide Noji
Assignee (at issue)
Yoshinori Kidani
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.