Granted Patent
Utility
US 6,772,585 · App. 10/255,703
Controller of compression-ignition engine
Inventors:
Yoichi Iihoshi, Shiro Yamaoka, Minoru Ohsuga
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Sep 27, 2002
Inventors
Yoichi Iihoshi
Shiro Yamaoka
Minoru Ohsuga
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.