Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746103 | Lance for blow-refinement in converter | Nobuyoshi Takashiba, Shinji Kojima, Rinzo Tachibana, Fumiaki Yoshikawa | 1988-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746103 | Lance for blow-refinement in converter | Nobuyoshi Takashiba, Shinji Kojima, Rinzo Tachibana, Fumiaki Yoshikawa | 1988-05-24 |