KK

Kenzi Koyama

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #4,028,876 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4429021 Chromium-plated steel strip having excellent weldability and resistance to corrosion Mitsuo Higashi, Jyun-ichi Morita, Mitsuo Yoshida 1984-01-31