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Norifumi ARISAKA

NC Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
Overall (All Time): #2,486,795 of 4,157,543Top 60%
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Patent #TitleCo-InventorsDate
11940031 Coil spring Shinichi Nishizawa, Daisuke IBANO, Tsuyoshi Matsuda, Shun MURAMATSU, Chihiro ITO +3 more 2024-03-26