AK

Akio Kokubo

Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Overall (All Time): #3,622,263 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6095124 Spark plug and an internal combustion engine igniting system using the same Yoshihiro Matsubara, Kazumasa Yoshida, Akira Suzuki, Makoto Yamaguchi 2000-08-01