Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6291791 | Switch for power supply circuit of electric discharge machine | Takeo Fujita | 2001-09-18 |
| 5401931 | Wire-cut electroerosion apparatus | — | 1995-03-28 |
| 5171955 | Wire-cut electroerosion apparatus | Akio Hosaka, Gen Itoh, Yoshihiro Watanabe | 1992-12-15 |