Granted Patent
Utility
US 5,434,652 · App. 08/145,602
Color electrophotographic device with developer stirring
Inventors:
Nobuaki Fukasawa, Hiroyuki Tadokoro, Akira Sasaki, Isamu Terashima
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Nov 4, 1993
Inventors
Nobuaki Fukasawa
Hiroyuki Tadokoro
Akira Sasaki
Isamu Terashima
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.