Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817925 | Multistage fine hole machining method and device | Tatsuji Saigo, Masaharu Sugiyama, Hiroyuki Kihara | 2004-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817925 | Multistage fine hole machining method and device | Tatsuji Saigo, Masaharu Sugiyama, Hiroyuki Kihara | 2004-11-16 |