TO

Tomonari Ohga

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #3,931,252 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4842958 Chromate surface treated steel sheet Seijun Higuchi, Toshinori Katayama, Fumio Yamamoto 1989-06-27