Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479011 | Method of scrapping furnace bottom section of blast furnace | Hirotaka Kojima, Masao Fujita, Mitsuru Kiguchi, Hiroyuki Yasuhara | 2002-11-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479011 | Method of scrapping furnace bottom section of blast furnace | Hirotaka Kojima, Masao Fujita, Mitsuru Kiguchi, Hiroyuki Yasuhara | 2002-11-12 |