SN

Shigeo Nagaoka

KS Kobe Steel: 3 patents #309 of 2,031Top 20%
📍 Kamakura, JP: #518 of 1,212 inventorsTop 45%
Overall (All Time): #1,649,158 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5580475 Flux-cored wire for gas shield arc welding with low fume Yoshiya Sakai, Isao Aida, Kazuo Ikemoto, Tsuyoshi Kurokawa, Tetsuya Hashimoto +1 more 1996-12-03
5099103 Flux-cored wire for gas shielded arc welding Minoru Yamada, Kazuo Ikemoto 1992-03-24
4367394 Coated electrode for arc welding Yoshiya Sakai, Yohji Nakai, Takatoshi Tomoyasu 1983-01-04