YN

Yukito Nakayama

Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
📍 Ebeye: #2,730 of 4,528 inventorsTop 65%
Overall (All Time): #3,962,519 of 4,157,543Top 100%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4783380 Metallizing composition on alumina porcelain Masaaki Ito, Minato Ando 1988-11-08