Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052925 | Low carbon resulfurized free-machining steel having high machinability | Koichi Sakamoto, Atsuhiko Yoshida, Goro Anan, Yoshiteru Fukuoka | 2011-11-08 |
| 8038934 | High-strength spring steel excellent in brittle fracture resistance and method for producing same | Takuya Kochi, Wataru Urushihara | 2011-10-18 |
| 7895835 | Exhaust heat recovery apparatus | Daisaku Sawada, Shinichi Mitani | 2011-03-01 |