Granted Patent
Utility
US 5,592,915 · App. 08/536,988
Pilot injection controller in fuel injection system and method of controlling pilot injection quantity
Inventors:
Hiroshi Ishiwata, Takashi Ohishi, Nobuhiro Kitahara
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Sep 29, 1995
Inventors
Hiroshi Ishiwata
Takashi Ohishi
Nobuhiro Kitahara
Assignee (at issue)
Zexel GmbH
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.