Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9110110 | Bidirectional 3 phase power meter for compensating reverse load flow and method for metering thereby | — | 2015-08-18 |
| 8243408 | Apparatus and method for preventing reverse power flow of over current relay | — | 2012-08-14 |
| 7880341 | Switching device for transformer having uninterruptible power supply function, and methods of controlling turn ratio and voltage of the transformer using the same | — | 2011-02-01 |