Granted Patent
Utility
US 4,450,218 · App. 06/421,489
Photoconductive receptor for an electrophotography
Inventors:
Yoshiaki Takei, Yoshihide Fujimaki, Hiroyuki Nomori
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Sep 22, 1982
Inventors
Yoshiaki Takei
Yoshihide Fujimaki
Hiroyuki Nomori
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.