Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7247211 | Method of manufacture of ultra-low carbon steel | Tatsuo Kanai, Yoshihiko Higuchi, Sei Hiraki | 2007-07-24 |
| 6726782 | Ultra-low carbon steel sheet | Tatsuo Kanai, Yoshihiko Higuchi, Sei Hiraki | 2004-04-27 |