AS

Akio Shiwata

NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
📍 Fukuyama, JP: #292 of 471 inventorsTop 65%
Overall (All Time): #3,976,735 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4674101 Arc-heating type extra-furnace refining apparatus Kazuhiko Matsuo, Teruyuki Hasegawa, Seigo Kuwano, Ryuji Yamaguchi, Yoneichi Hamada +5 more 1987-06-16