Granted Patent
Utility
US 6,196,180 · App. 09/121,875
In-cylinder injection type spark ignition internal combustion engine
Inventors:
Hirofumi Higashi, Yasuhiko Iwamoto, Tateo Kume, Tetsuo Kataoka, Shinichi Murata, Kazuhiro Ichimoto, Kojiro Okada, Akihito Miyamoto
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Jul 24, 1998
Inventors
Hirofumi Higashi
Yasuhiko Iwamoto
Tateo Kume
Tetsuo Kataoka
Shinichi Murata
Kazuhiro Ichimoto
Kojiro Okada
Akihito Miyamoto
Assignee (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
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.