AU

Akihiko Usui

KS Kobe Steel: 1 patents #857 of 2,031Top 45%
Overall (All Time): #4,011,192 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4503129 Shielded metal arc welding electrode for Cr-Mo low alloy steels Naoki Okuda, Shigeaki Yamamoto, Shogo Natsume 1985-03-05