SY

Shizuo Yoshida

NC Nitto Boseki Co.: 1 patents #172 of 339Top 55%
Overall (All Time): #3,683,706 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5750255 High strength rock wool and process for producing same Masakazu Tamura, Eiichi Sakamoto, Akira Okada, Atsushi Yamasawa 1998-05-12