Granted Patent
Utility
US 4,755,443 · App. 06/924,349
Photoreceptor for electrophotography comprising a phthalocyanine and organic amine compound
Inventors:
Yasuo Suzuki, Yoshihide Fujimaki, Hiroyuki Nomori
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Oct 28, 1986
Inventors
Yasuo Suzuki
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.