TK

Takayuki Kumakiri

Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Overall (All Time): #3,020,008 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9455454 Solid oxide fuel cell and inter-connector Yasuo Okuyama 2016-09-27