Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4296367 | Speed control method for AC motors and an apparatus for the control | — | 1981-10-20 |
| 4268900 | Device for controlling a plurality of converters | — | 1981-05-19 |
| 4225914 | Frequency converters | Suzuo Saito | 1980-09-30 |
| 4186334 | Control systems of alternating current motors | — | 1980-01-29 |