TO

Takahumi Ohwada

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,309,946 of 4,157,543Top 80%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7836758 Deterioration diagnosis system for an air-fuel ratio sensor Toshihiro Aono, Akira Kiyomura, Masanobu Ohsaki, Seiichi Ohtani, Shigeo Ohkuma 2010-11-23