YI

Yoshiharu Ishimaru

NC Nippon Zeon Co.: 1 patents #307 of 609Top 55%
Overall (All Time): #3,910,250 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4952348 Process for preparing shaped article having thick section Motoyuki Yamato, Koji Chono 1990-08-28