Granted Patent
Utility
US 4,410,615 · App. 06/307,087
Layered electrophotographic photosensitive element having hydrazone charge transport layer
Inventors:
Satoshi Goto, Akira Kinoshita, Tsuneo Wada, Yoshiaki Takei, Naoko Akashi, Hiroyuki Nomori
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Sep 30, 1981
Inventors
Satoshi Goto
Akira Kinoshita
Tsuneo Wada
Yoshiaki Takei
Naoko Akashi
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.