Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879287 | Hot-rolled steel sheet for high-strength electric-resistance welded pipe having sour-gas resistance and excellent weld toughness, and method for manufacturing the same | Takashi Kobayashi, Hiroshi Nakata, Chikara Kami, Toru Inazumi | 2011-02-01 |