Granted Patent
Utility
US 5,407,773 · App. 08/137,015
Thermal fixing-type developer material for electrophotography
Inventors:
Harumi Furuta, Seiji Ohta, Hajime Inagaki, Mituhiko Onda, Toshinobu Abiru
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Oct 15, 1993
Inventors
Harumi Furuta
Seiji Ohta
Hajime Inagaki
Mituhiko Onda
Toshinobu Abiru
Assignee (at issue)
Mitsui Petrochemical 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.