Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5907988 | Wire saw apparatus | Etsuo Kiuchi, Kazuo Hayakawa | 1999-06-01 |
| 5839425 | Method for cutting a workpiece with a wire saw | Etsuo Kiuchi, Kazuo Hayakawa | 1998-11-24 |
| 5715807 | Wire saw | Etsuo Kiuchi, Kazuo Hayakawa | 1998-02-10 |
| 5575189 | Roller having grooves for wire saw | Etsuo Kiuchi, Kazuo Hayakawa | 1996-11-19 |