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Ryotaro Tawara

Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Overall (All Time): #3,266,637 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8040024 Piezoceramic material, piezoelectric element and non-resonance knock sensor Masato Yamazaki, Hideaki Hiramitsu, Manabu Horiguchi, Yukihiro Hamaguchi, Katsuya Yamagiwa +3 more 2011-10-18