Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340396 | Flux cored wire for welding duplex stainless steel | Tsuneshi Ogawa, Toshiharu Maruyama, Shintaro Ozaki | 2002-01-22 |
| 5124529 | Flux-cored wire for welding stainless steel | Yutaka Nishikawa, Tsuneshi Ogawa, Ken Yamashita | 1992-06-23 |