Granted Patent
Utility
US 5,345,301 · App. 07/737,331
Image fixing device and electrophotographic apparatus incorporated with such device
Inventors:
Toshiya Satoh, Tsuneaki Kawanishi, Ryuuichi Shimizu, Akira Shimada, Katsumi Kumada
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Jul 29, 1991
Inventors
Toshiya Satoh
Tsuneaki Kawanishi
Ryuuichi Shimizu
Akira Shimada
Katsumi Kumada
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.