Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7588124 | Speed control method of elevator-purpose inverter and speed control apparatus thereof | — | 2009-09-15 |
| D450305 | Operating device for an inverter controller | Makoto Kojyo | 2001-11-13 |