Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782921 | High-strength steel pipe excellent in formability and burst resistance | Eiji Tsuru, Hitoshi Asahi, Hideki Miyazaki, Tatsuya Yoshida | 2004-08-31 |
| 6685321 | Perimeter | Yoshikatsu Suzumura | 2004-02-03 |