Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6429396 | Electric discharge processing power supply having a protection network for the switching element | Yuji Kaneko | 2002-08-06 |
| 6222149 | Power supply device for electric discharge machining apparatus | Tatsuo Toyonaga, Yuji Kaneko | 2001-04-24 |
| 6130395 | Method and apparatus for achieving a fine surface finish in wire-cut EDM | Yuji Kaneko, Tatsuo Toyonaga, Tatsuo Kuloda | 2000-10-10 |