Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642970 | Method of producing a curved groove in a workpiece | Yukio Yamaguchi, Masaaki Enya, Takahiro Yamazaki | 1997-07-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642970 | Method of producing a curved groove in a workpiece | Yukio Yamaguchi, Masaaki Enya, Takahiro Yamazaki | 1997-07-01 |