Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7104309 | Method of deoxidation casting and deoxidation casting machine | Keisuke Ban, Koichi Ogiwara, Akira Sunohara | 2006-09-12 |
| 6964293 | Method of casting and casting machine | Keisuke Ban, Akira Sunohara, Yasuhiro Sasaki, Koichi Ogiwara | 2005-11-15 |
| 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 |