Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660105 | Case hardened steel excellent in the prevention of coarsening of particles during carburizing thereof, method of manufacturing the same, and raw shaped material for carburized parts | Tatsuro Ochi | 2003-12-09 |
| 6551419 | Hot-rolled steel wire and rod for machine structural use and a method for producing the same | Hideo Kanisawa, Tatsuro Ochi, Koji Tanabe, Kiichiro Tsuchida | 2003-04-22 |
| 6547890 | Steel wire rod for cold forging and method for producing the same | Hideo Kanisawa, Tatsuro Ochi, Koji Tanabe, Kiichiro Tsuchida | 2003-04-15 |