Granted Patent
Utility
US 4,599,287 · App. 06/669,696
Positive charging photorecptor
Inventors:
Yoshihide Fujimaki, Yoshiaki Takei, Yasuo Suzuki, Hiroyuki Nomori
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Nov 7, 1984
Inventors
Yoshihide Fujimaki
Yoshiaki Takei
Yasuo Suzuki
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.