Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597722 | Apparatus for arc-melting cold iron source and method thereof | Ryuji Yamaguchi, Norio Ao, Toshimichi Maki | 2003-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597722 | Apparatus for arc-melting cold iron source and method thereof | Ryuji Yamaguchi, Norio Ao, Toshimichi Maki | 2003-07-22 |