YN

Yoshihiro Naitoh

DC Daido Steel Co.: 1 patents #95 of 272Top 35%
Overall (All Time): #4,019,789 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4534801 Process for removing adhered substance from steel ingots Shigeki Matsuoka 1985-08-13