Granted Patent
Utility
US 5,796,428 · App. 08/325,095
Electronic photography system
Inventors:
Kiyoshi Matsumoto, Yuichi Yagawa, Kazuto Senda
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Oct 17, 1994
Inventors
Kiyoshi Matsumoto
Yuichi Yagawa
Kazuto Senda
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.