Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052925 | Low carbon resulfurized free-machining steel having high machinability | Koichi Sakamoto, Hiroshi Yaguchi, Atsuhiko Yoshida, Yoshiteru Fukuoka | 2011-11-08 |
| 7666350 | Low carbon composite free-cutting steel product excellent in roughness of finished surface and method for production thereof | Hiroshi Yaguchi, Koichi Sakamoto, Tomoko Sugimura, Katsuhiko Ozaki | 2010-02-23 |