Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244130 | Molten steel pouring nozzle | Takafumi Aoki, Kikuo Ariga | 1993-09-14 |
| 5086957 | Molten steel pouring nozzle | Takafumi Aoki | 1992-02-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244130 | Molten steel pouring nozzle | Takafumi Aoki, Kikuo Ariga | 1993-09-14 |
| 5086957 | Molten steel pouring nozzle | Takafumi Aoki | 1992-02-11 |