Granted Patent
Utility
US 5,743,082 · App. 08/535,641
Apparatus for detecting reduction of purifying capacity of catalyst for purifying exhaust gas from internal combustion engine and method thereof
Inventors:
Takuya Matsumoto, Toru Hashimoto, Mitsuhiro Miyake, Hitoshi Kamura, Yasuhisa Yoshida
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Sep 28, 1995
Inventors
Takuya Matsumoto
Toru Hashimoto
Mitsuhiro Miyake
Hitoshi Kamura
Yasuhisa Yoshida
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.