Koji YAGYU

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%

NH Nippon Steel Hardfacing: 1 patents #8 of 28Top 30%

Overall (All Time): #2,418,238 of 4,157,543Top 60%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
12312646	Hearth roll for continuous annealing furnace	Yasushi Kurisu, Yu LI	2025-05-27