Granted Patent
Utility
US 4,673,629 · App. 06/813,619
Photoreceptor having amorphous silicon layers
Inventors:
Toshinori Yamazaki, Tatsuo Nakanishi, Yuji Marukawa, Shigeki Takenouchi, Hiroyuki Nomori
Patented Case
View Patent ↗
Granted: Jun 16, 1987
Filed: Dec 26, 1985
Inventors
Toshinori Yamazaki
Tatsuo Nakanishi
Yuji Marukawa
Shigeki Takenouchi
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.