HK

Hiroshi Kashiwabara

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #3,930,711 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4841116 Process for automatic fusion welding of rails Akira Kimura, Hirohisa Fujiyama 1989-06-20