Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632296 | Steel pipe having high formability and method for producing the same | Naoki Yoshinaga, Nobuhiro Fujita, Yasuhiro Shinohara, Tohru Yoshida, Natsuko Sugiura | 2003-10-14 |
| 6589369 | High fatigue strength steel sheet excellent in burring workability and method for producing the same | Tatsuo Yokoi, Hiroyuki Okada, Toshimitsu Aso | 2003-07-08 |
| 6544354 | High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for the production thereof | Osamu Kawano, Junichi Wakita, Yuzo Takahashi, Hidesato Mabuchi, Akihiro Uenishi +3 more | 2003-04-08 |