Granted Patent
Utility
US 4,677,044 · App. 06/730,474
Multi-layered electrophotographic photosensitive member having amorphous silicon
Inventors:
Toshinori Yamazaki, Eiichi Sakai, Tatsuo Nakanishi, Hiroyuki Nomori
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: May 3, 1985
Inventors
Toshinori Yamazaki
Eiichi Sakai
Tatsuo Nakanishi
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.