JK

Jirou Konishi

NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
📍 Fukuyama, JP: #292 of 471 inventorsTop 65%
Overall (All Time): #4,069,898 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4330264 Apparatus for manufacturing vitreous slag Yasuto Takasaki, Kenji Ohkoshi, Akichika Ozeki, Shuji Kajikawa, Haruo Itoh 1982-05-18