Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764224 | Baked flux for submerged arc welding | Naoki Okuda, Yutaka Nishikawa | 1988-08-16 |
| 4465921 | Flux-cored wire for gas-shielded arc welding | Yoshiya Sakai, Yasuhiro Nagai, Kazuo Ikemoto, Hidehiko Kanehira | 1984-08-14 |