Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007716 | Steel wire for high strength spring excellent in workability and high strength | Sumie Suda, Nobuhiko Ibaraki, Noritoshi Takamura, Naoki Terakado, Satoru Tendo +1 more | 2011-08-30 |
| 7074282 | Steel wire rod for hard drawn spring, drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring | Nobuhiko Ibaraki, Atushi Inada, Sumie Suda, Noritoshi Takamura, Satoru Tendoh +1 more | 2006-07-11 |