KI

Kenji Ikisima

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #3,603,377 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6009913 Lubricant surface-treated steel pipe for hydroforming use Masayasu Kojima, Ken Tomiyasu 2000-01-04