Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6693948 | Apparatus for arc-melting cold iron source and method thereof | Ryuji Yamaguchi, Takashi Nakayama, Teruo Tatefuku, Norio Ao, Toshimichi Maki +2 more | 2004-02-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6693948 | Apparatus for arc-melting cold iron source and method thereof | Ryuji Yamaguchi, Takashi Nakayama, Teruo Tatefuku, Norio Ao, Toshimichi Maki +2 more | 2004-02-17 |