YN

Youichi Nagano

NC Nippon Seiko Co.: 1 patents #121 of 315Top 40%
Overall (All Time): #4,042,903 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4478463 Conical roller bearing Toru Takai, Kenji Takei 1984-10-23