Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12294334 | In-phase/quadrature-phase generating device and phase shift device using the same | Jinseok Park, Byoung Sun LEE, Jun Han Lim, Dong Pil CHANG | 2025-05-06 |
| 12255662 | Master reference oscillator system | Dong Hwan Shin, Dong Pil CHANG, Byoung Sun LEE | 2025-03-18 |
| 12206383 | Dual-band 360 degree phase shifter using series/parallel resonance circuit for phased array antenna system | Jun Han Lim, Jin Sek Park, Dong Pil CHANG | 2025-01-21 |
| 11527996 | Frequency mixing device | Dong Hwan Shin, Dong Pil CHANG, Byoung Hak Kim, In-Bok Yom, Jun Han Lim +2 more | 2022-12-13 |
| 10079416 | Microwave filter system including feedback structure | In-Bok Yom, Moon Que LEE | 2018-09-18 |
| 9596131 | Method for transiting operation mode of routing processor | Sang Yoon Oh, Kwang-Yong Lee, Beob Kyun KIM | 2017-03-14 |
| 9317245 | Apparatus and method for displaying images | Sang Yoon Oh, Kwang-Yong Lee, Beob Kyun KIM | 2016-04-19 |
| 9100119 | Apparatus and method for multiport amplification in communication system | Dong Hwan Shin, In-Bok Yom, Moon Que LEE | 2015-08-04 |
| 9024702 | Low phase shift voltage variable attenuator | Dong Hwan Shin, In-Bok Yom | 2015-05-05 |
| 8984618 | System for managing virtual private network and method thereof | Ho Sun YOON, Sung Back Hong, Jung Sik Kim, Sun Cheul Kim, Seung Woo Hong +5 more | 2015-03-17 |
| 8780887 | Method of network-based communication in virtual network environment | Sun Cheul Kim, Seungwoo Hong, Ho Sun YOON, Ho Yong RYU | 2014-07-15 |
| 8737528 | Multiport amplifier and multiport amplification method using the same | Dong Hwan Shin | 2014-05-27 |
| 8699466 | Apparatus and method of controlling seamless handover between heterogeneous networks based on IPv6 over IPv4 tunneling mechanism | Sun Cheul Kim, Pyung Koo Park, Young Shin, Ho Yong RYU, Sung Back Hong | 2014-04-15 |
| 8588343 | Apparatus for calibrating amplitude and phase errors, multiport amplifier including the same, and method of amplifying the multiport amplifier | Dong Hwan Shin, In-Bok Yom | 2013-11-19 |
| 8547998 | Tunneling IPv6 packet through IPv4 network using a tunnel entry based on IPv6 prefix and tunneling IPv4 packet using a tunnel entry based on IPv4 prefix | Sung Back Hong, Ho Yong RYU, Sun Cheul Kim, Pyung Koo Park, Ho Sun YOON +1 more | 2013-10-01 |
| 8514714 | Device and method for providing forwarding information and QOS information in flow based network environment | Nam Seok KO, Soon Seok Lee, Hyunjoo KANG, Jong-Dae Park, Seungwoo Hong +1 more | 2013-08-20 |
| 7471700 | Router and method for controlling maximum transmission unit of external network interface | Boo Geum Jung, Kyoung-Soon KANG, Wan Choi | 2008-12-30 |