Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10594020 | Electronic device having antenna element and method for manufacturing the same | Keon Kuk, In-hak Na | 2020-03-17 |
| 9069789 | Apparatus and method for managing metadata in portable terminal | Seok-Kyu Jang, Young-June Woo, Sin-Jae Lee | 2015-06-30 |
| 8723647 | RFID communication method and apparatus | Ji-hun Koo, Si-gyoung Koo, Il-jong Song, Myung-Gun Kim, Kuang-woo Nam | 2014-05-13 |
| 8598987 | RFID communication method and system | Ji-hun Koo, Seon Wook Kim, Joon Goo Lee, Young Sun Han | 2013-12-03 |
| 8443454 | Method and apparatus for preventing illegal reuse of digital right management content in portable terminal | Woo-Gyu Lim, Chang-Gie Lee, Jae-Min Jung, Seok-Kyu Jang | 2013-05-14 |
| 8436716 | Method of upgrading an operation program of a radio frequency identification system | Ji-hun Koo, Kyung-Duck Seo | 2013-05-07 |
| 8410905 | RFID reader cancelling leakage signal | Il-jong Song, Si-gyoung Koo, Jin-Hun Koo | 2013-04-02 |
| 8312287 | Apparatus and method for dynamically changing a password | Woo-Gyu Lim, Jin Woo NAM | 2012-11-13 |
| 8265570 | RFID reader and RF transmission method thereof | Jin-Hun Koo, Si-gyoung Koo, Il-jong Song, Kuang-woo Nam | 2012-09-11 |
| 8131952 | Apparatus and method for efficient memory use in portable terminal | Seok-Kyu Jang, Woo-Gyu Lim, Young Cheul Wee | 2012-03-06 |
| 8035483 | Oscillator tuning system and oscillator tuning method | Il-jong Song, Chol Su Yoon | 2011-10-11 |
| 7978077 | RFID reader and RFID tag using UHF band and action methods thereof | Dong Hyun Lee, Ja-nam Ku, Il-jong Song, Sung-Oh Kim, Kyeong-soon Cho | 2011-07-12 |
| 7893442 | Schottky diode having low breakdown voltage and method for fabricating the same | Dong-sik Shim, Hyung Choi | 2011-02-22 |
| 7834661 | Ultra-low-power level shifter, voltage transform circuit and RFID tag including the same | Ja-nam Ku, Cheong-Worl Kim, Dong Hyun Lee, Il-jong Song | 2010-11-16 |
| 7688561 | Ultra-low power limiter | Ja-nam Ku, Chung-woul Kim, Il-jong Song, Dong Hyun Lee | 2010-03-30 |
| 7625804 | Structure for realizing integrated circuit having Schottky diode and method of fabricating the same | Ja-nam Ku, Seong-hearn Lee, Il-jong Song, Sang Wook Kwon | 2009-12-01 |
| 7503690 | Temperature measurement apparatus and method for measuring temperatures by using RF signals of different frequencies | Il-jong Song, Ja-nam Ku, Sang Wook Kwon | 2009-03-17 |
| 7482930 | Limiter for controlling overvoltage and RFID tag having the same | Il-jong Song, Chol Su Yoon, Dong-sik Shim | 2009-01-27 |
| 7382035 | Schottky diode with low leakage current and fabrication method thereof | Dong-sik Shim, Il-jong Song, Ja-nam Ku, Hyung Choi | 2008-06-03 |
| 7355559 | Small planar antenna with enhanced bandwidth and small strip radiator | Yuri Tikhov, Yong Jin Kim | 2008-04-08 |
| 7353997 | RFID barcode and RFID barcode reading system | Yuri Tikhov | 2008-04-08 |
| 7339485 | Rectifier for supplying double voltage and RFID tag thereof | Ja-nam Ku, Il-jong Song, Dong Hyun Lee | 2008-03-04 |
| 7332787 | Structure for realizing integrated circuit having schottky biode and method of fabricating the same | Ja-nam Ku, Seong-hearn Lee, Il-jong Song, Sang Wook Kwon | 2008-02-19 |
| 7309978 | Reference voltage generating circuit with ultra-low power consumption | Ja-nam Ku, Chung-woul Kim, Il-jong Song, Dong Hyun Lee | 2007-12-18 |
| 7289076 | Small planar antenna with enhanced bandwidth and small strip radiator | Yuri Tikhov, Yong Jin Kim | 2007-10-30 |