Granted Patent
Utility
US 4,794,064 · App. 07/011,375
Amorphous silicon electrophotographic receptor having controlled carbon and boron contents
Inventors:
Toshinori Yamazaki, Tatsuo Nakanishi, Hiroyuki Nomori
Patented Case
View Patent ↗
Granted: Dec 27, 1988
Filed: Feb 5, 1987
Inventors
Toshinori Yamazaki
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.