Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754090 | AC/DC/HFAC/DC/AC power supply | Toru Arai, Yoshiyuki Nishioka | 2004-06-22 |
| 6666960 | Electroplating current supply system | Toru Arai, Yoshiyuki Nishioka | 2003-12-23 |
| 5424915 | Cooling structure for power supply device | Masao Katooka, Yoshimasa Kawashima, Atsushi Makitani | 1995-06-13 |