Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043444 | Steel wire for cold-formed spring excellent in corrosion resistance and method for producing the same | — | 2011-10-25 |
| 7901520 | Spring wire rod excelling in fatigue characteristics | — | 2011-03-08 |
| 7887924 | High-strength steel with excellent unsusceptibility to hydrogen embrittlement | Wataru Urushihara, Toshiki Sato | 2011-02-15 |