Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805191 | Reduction casting method, reduction casting apparatus and molding die using same | Koichi Ogiwara, Akira Sunohara | 2004-10-19 |
| 6802359 | Reduction casting method | — | 2004-10-12 |
| 6752199 | Reduction casting method, reduction casting apparatus and molding die using same | Koichi Ogiwara, Akira Sunohara | 2004-06-22 |
| 6745817 | Casting method and casting apparatus | Akira Sunohara, Yasuhiro Sasaki, Koichi Ogiwara | 2004-06-08 |
| 6745816 | Method of casting and casting machine | Akira Sunohara, Yasuhiro Sasaki, Koichi Ogiwara, Sakuzo Nakatani | 2004-06-08 |
| 6725900 | Method of deoxidation casting and deoxidation casting machine | Koichi Ogiwara, Sakuzo Nakatani, Akira Sunohara | 2004-04-27 |
| 6722417 | Deoxidation casting, aluminium casting and casting machine | Koichi Ogiwara | 2004-04-20 |