Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6702904 | High tensile cold-rolled steel sheet having excellent strain aging hardening properties | Chikara Kami, Kazunori Osawa, Shinjiro Kaneko, Takuya Yamazaki, Kaneharu Okuda +1 more | 2004-03-09 |
| 6695932 | Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same | Chikara Kami | 2004-02-24 |
| 6692584 | High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same | Kei Sakata, Osamu Furukimi | 2004-02-17 |