SN

Shoichiro Nagatomo

Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Overall (All Time): #3,225,687 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8283846 Spark plug containing specific ratio content Tsutomu Shibata, Takehito Kuno, Tomoo Tanaka, Kenji Nunome 2012-10-09