Granted Patent
Utility
US 4,500,631 · App. 06/520,829
Radiographic image forming process
Inventors:
Eiichi Sakamoto, Mikio Kawasaki, Kouji Ono, Kakujulo Fukuoji, Noboru Fujimori
Patented Case
View Patent ↗
Granted: Feb 19, 1985
Filed: Aug 5, 1983
Inventors
Eiichi Sakamoto
Mikio Kawasaki
Kouji Ono
Kakujulo Fukuoji
Noboru Fujimori
Assignee (at issue)
Konishiroku Photo Industry 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.