Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Tadayoshi Fujiwara +1 more | 2006-07-11 |