RM

Ryosuke Muraoka

NC Nippon Leakless Industry Co.: 1 patents #22 of 67Top 35%
Overall (All Time): #2,653,945 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
11326695 Metal gasket Kazuya Wada, Shinichi Hirayama, Akinori Sueyoshi 2022-05-10