Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10579048 | EtherCAT control device and factory automation system having the same | Kyoung-whan Oh, Jae-Hyun Kim, Eun-Kyung Hong | 2020-03-03 |
| 10538843 | Vaporizer and thin film deposition apparatus including the same | Hyun Sik Sim, Jung Suk Oh, Jae-Seok Kim, Ho-Gon Kim, Jun Won Lee +9 more | 2020-01-21 |
| 10095224 | EtherCAT control device and factory automation system having the same | Kyoung-whan Oh, Jae-Hyun Kim, Eun-Kyung Hong | 2018-10-09 |
| 9773645 | Remote plasma generator using ceramic | Ja Woo Lee, Chung Huan Jeon, Heok-Jae Lee, Sang Jean Jeon, Kwang Young Jung +7 more | 2017-09-26 |
| 7368889 | Motor control apparatus and control method thereof | Jong-pill Park | 2008-05-06 |
| 7170245 | Motor power supply control apparatus | — | 2007-01-30 |
| 7170246 | Motor control apparatus | — | 2007-01-30 |
| 7138614 | Non-contact feeder system | Sang Don Jang | 2006-11-21 |
| 7113380 | Power supply device and control method thereof | — | 2006-09-26 |
| 7068010 | Motor power supply and method of controlling the same | — | 2006-06-27 |
| 7035106 | Heat dissipation system for semiconductor device | Won Ki Park | 2006-04-25 |
| 6995996 | Power supply and control method thereof | — | 2006-02-07 |
| 6956751 | Motor power supply | Won Ki Park | 2005-10-18 |
| 6911801 | Apparatus and method for controlling inverter for driving a three-phase motor | — | 2005-06-28 |
| 6900606 | Device for inrush current prevention and dynamic braking in a motor | — | 2005-05-31 |
| 6879123 | Device to control a 3-phase motor | — | 2005-04-12 |
| 6603272 | Rosen type piezoelectric transformer with multiple output electrodes, and stabilizer for multiple light source using that | Jong Sun Kim | 2003-08-05 |
| 6586863 | Rosen type piezoelectric transformer with multiple output electrodes | Jong Sun Kim | 2003-07-01 |
| 6566820 | Piezoelectric transformer with multiple outputs | Jong Sun Kim | 2003-05-20 |
| 6414865 | AC to DC converting apparatus | — | 2002-07-02 |