Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6741063 | Inverter apparatus | Keijiro Sakai, Toshiaki Okuyama, Kinya Nakatsu, Hiroyuki Tomita, Junji Kato | 2004-05-25 |
| 6704212 | PWM inverter with long carrier wave insertion | Masahiro Hiraga, Hiroyuki Tomita, Seiji Ishida, Toshiaki Okuyama | 2004-03-09 |
| 6693404 | AC current detecting device for inverter apparatus and AC current detecting method therefor | Masahiro Hiraga, Junji Kato, Tetsuya Kimura | 2004-02-17 |