Granted Patent
Utility
US 4,283,474 · App. 06/188,612
Oleophilic resin encapsulates photoconductive zinc oxide particles dispersed in vinyl chloride and vinyl acetate resin binder for electrophotosensitive recording layer
Inventors:
Tadashi Kaneko, Takeo Shimura, Masanori Matsumoto, Hiroyuki Moriguchi, Hiroyuki Nomori
Patented Case
View Patent ↗
Granted: Aug 11, 1981
Filed: Sep 19, 1980
Inventors
Tadashi Kaneko
Takeo Shimura
Masanori Matsumoto
Hiroyuki Moriguchi
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.