Granted Patent
Utility
US 4,485,160 · App. 06/508,904
Electrophotographic hydrazone plate
Inventors:
Tetsumi Suzuki, Tetsuo Murayama, Hitoshi Ono, Shinji Aramaki
Patented Case
View Patent ↗
Granted: Nov 27, 1984
Filed: Jun 29, 1983
Inventors
Tetsumi Suzuki
Tetsuo Murayama
Hitoshi Ono
Shinji Aramaki
Assignee (at issue)
Mitsubishi Chemical Industries, 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.