Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745816 | Method of casting and casting machine | Keisuke Ban, Akira Sunohara, Yasuhiro Sasaki, Koichi Ogiwara | 2004-06-08 |
| 6725900 | Method of deoxidation casting and deoxidation casting machine | Keisuke Ban, Koichi Ogiwara, Akira Sunohara | 2004-04-27 |