Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8345453 | Power conversion apparatus for electric vehicle | Daisuke Itoh, Satoshi Azuma, Kengo Sugahara | 2013-01-01 |
| 8285430 | Controlling device for railway electric car | Hidetoshi Kitanaka, Keiji Nakatsu | 2012-10-09 |
| 8280568 | Electric train car controlling device | Keiji Nakatsu | 2012-10-02 |
| 8174833 | Electric power converting apparatus | Hidetoshi Kitanaka | 2012-05-08 |
| 6184662 | Pulsed power supply device | Akihiko Iwata | 2001-02-06 |
| 5881082 | Pulsed power supply unit for a pulsed laser | — | 1999-03-09 |