Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038934 | High-strength spring steel excellent in brittle fracture resistance and method for producing same | Takuya Kochi, Hiroshi Yaguchi | 2011-10-18 |
| 7951465 | Joined body of dissimilar materials comprising steel material and aluminum material, and joining method therefor | Mikako Takeda, Katsushi Matsumoto, Jun Katoh, Yasuaki Sugizaki, Hidekazu Ido | 2011-05-31 |
| 7887924 | High-strength steel with excellent unsusceptibility to hydrogen embrittlement | Toshiki Sato, Nao Yoshihara | 2011-02-15 |