Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286309 | Electric-resistance-welded steel pipe with high strength | Toshihiro Takamura, Yoshiichi Ishizawa, Yuji Sugimoto, Mitoshi Morimoto, Tetsuro Sugayoshi +1 more | 1994-02-15 |