Granted Patent
Utility
US 5,285,221 · App. 07/869,186
Color image electrophotographic apparatus having photosensitive body and intermediate transfer body
Inventors:
Michio Sumiyoshi, Akira Sasaki, Isamu Terashima, Hiroyuki Tadokoro
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Apr 16, 1992
Inventors
Michio Sumiyoshi
Akira Sasaki
Isamu Terashima
Hiroyuki Tadokoro
Assignee (at issue)
HITACHI, 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.