Granted Patent
Utility
US 6,825,145 · App. 10/452,206
Exhaust gas purifying catalyst
Inventors:
Hiroshi Tanada, Osamu Nakayama, Keisuke Tashiro, Kinichi Iwachido, Tetsuya Watanabe, Kazuo Koga
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Jun 2, 2003
Inventors
Hiroshi Tanada
Osamu Nakayama
Keisuke Tashiro
Kinichi Iwachido
Tetsuya Watanabe
Kazuo Koga
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.