Granted Patent
Utility
US 4,668,599 · App. 06/896,304
Photoreceptor comprising amorphous layer doped with atoms and/or ions of a metal
Inventors:
Toshinori Yamazaki, Eiichi Sakai, Hiroyuki Nomori
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Aug 12, 1986
Inventors
Toshinori Yamazaki
Eiichi Sakai
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.