Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033530 | High pressure casting sand core and method of manufacturing the same | Yoshiaki Egoshi, Yasuhiro Sugioka | 1991-07-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033530 | High pressure casting sand core and method of manufacturing the same | Yoshiaki Egoshi, Yasuhiro Sugioka | 1991-07-23 |