YO

Yuzo Ohtsuki

KC Kyushu Refractories Co.: 1 patents #11 of 38Top 30%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #4,009,769 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4497901 Forsterite-carbon refractory Nobiru Komatsu, Akira Watanabe, Gouji Saeki 1985-02-05