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Fumio SHIRAKI

Ngk Spark Plug Co.: 1 patents #52 of 146Top 40%
Overall (2020): #469,696 of 565,922Top 85%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10834818 Wiring board Takakuni Nasu, Kengo Tanimori, Yousuke Kondo, Masahiro Kamegai, Kouta KIMATA +2 more 2020-11-10