Granted Patent
Utility
US 5,588,410 · App. 08/532,669
Air-fuel ratio control method
Inventors:
Hiroki Tamura, Naoki Yamazaki, Akihiro Takeyama, Hitoshi Kamura, Tetsuo Maeda
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Oct 12, 1995
Inventors
Hiroki Tamura
Naoki Yamazaki
Akihiro Takeyama
Hitoshi Kamura
Tetsuo Maeda
Assignees (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
MITSUBISHI ELECTRIC CORPORATION
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.