Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927457 | Method of manufacturing low carbon ferro-chromium | Sotoaki Kawaguchi, Hisao Doyama, Yutaka Yano | 1990-05-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927457 | Method of manufacturing low carbon ferro-chromium | Sotoaki Kawaguchi, Hisao Doyama, Yutaka Yano | 1990-05-22 |