KH

Kita Hiroshi

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #3,193,147 of 4,157,543Top 80%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8097096 Fire resistant steel excellent in high temperature strength, toughness, and reheating embrittlement resistance and process for production of the same Suguru Yoshida, Hirokazu Sugiyama, Yoshiyuki Watanabe, Yasushi Hasegawa 2012-01-17