Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464932 | Unburned carbon-containing refractory material and vessel for molten metal | Osamu Nomura, Yasuhiro Hoshiyama | 2002-10-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464932 | Unburned carbon-containing refractory material and vessel for molten metal | Osamu Nomura, Yasuhiro Hoshiyama | 2002-10-15 |