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Shigejiro Yamaguchi

Overall (All Time): #3,433,182 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7131829 Spiral die assembly Toshiaki Nagai, Mikiyasu Masaki 2006-11-07