Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5954896 | Cold rolled steel sheet and galvanized steel sheet having improved homogeneity in workability and process for producing same | Kazuo Koyama, Masayoshi Suehiro, Naoki Yoshinaga | 1999-09-21 |