Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075711 | Hot-rolled high strength steel sheet having excellent ductility, and tensile fatigue properties and method for producing the same | Reiko Sugihara, Tetsuo Shimizu, Shusaku Takagi | 2011-12-13 |
| 8052033 | Friction stir welding method | Qing Liu, Isao Shiozawa, Takeo Nakagawa | 2011-11-08 |
| 7971770 | Friction stir method | Qing Liu, Isao Shiozawa, Takeo Nakagawa | 2011-07-05 |
| 7920451 | Recording apparatus, method for controlling the apparatus, and storage medium storing control program | — | 2011-04-05 |