Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7926478 | Super abrasive grain wire saw winding structure, super abrasive grain wire saw cutting device, and super abrasive grain wire saw winding method | Masaaki Yamanaka, Yoshizumi Ishitobi | 2011-04-19 |