Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8405376 | Low noise reference circuit of improving frequency variation of ring oscillator | Myung Woon Hwang, Je Cheol Moon, Hyun-ha Jo | 2013-03-26 |
| 8318376 | Polymer electrolyte membrane with coating layer of anion binding agent and fuel cell using same | Ki Yun Cho | 2012-11-27 |
| 8178622 | Amphiphilic block copolymer, method for manufacturing the same, and polymer electrolyte membrane using the same | Won Ho Jo, Tae Ann Kim, Nak Hyun Kwon | 2012-05-15 |
| 8145803 | Apparatus and method for creating macro command | Eun Namgung | 2012-03-27 |
| 8092952 | Polymer blend electrolyte membrane for use at high temperature and manufacturing method thereof | Nak Hyun Kwon, Ki Yun Cho, Young Taek Kim, Hee-Woo Rhee, Li Jin Ghil | 2012-01-10 |
| 7933918 | Content hook-up apparatus and method | Woo-hyoung Lee, Eun Namgung, Do-jun Yang, Hyung-tak Choi, Zhang-hoon Oh | 2011-04-26 |
| 7838458 | Method for preparing highly dispersed supported platinum catalyst using complex reducing agent | Jong Heop Yi, Pil Kim, Ji-bong Joo | 2010-11-23 |
| 7825057 | Method for preparing the mixed electrode catalyst materials for a PEM fuel cell | Nak Hyun Kwon, Yung-Eun Sung, In Su PARK, Yong-Hun Cho, Il Hee Cho | 2010-11-02 |
| 7783367 | Apparatus and method for operating macro command and inputting macro command | Eun Namgung | 2010-08-24 |
| 7436240 | Capacitance multiplier | Young Jin Kim, Han-Il Lee, Jae-Heon Lee | 2008-10-14 |
| 7332933 | Circuit for compensating for the declination of balanced impedance elements and a frequency mixer | Young Jin Kim, Kyung-Suc Nah, Young-Suk Son | 2008-02-19 |
| 7224750 | Apparatus and method for receiving RF signal free of 1/f noise in radio communication system | Jae Wan Kim, Hae-Moon Seo, Young Jin Kim | 2007-05-29 |
| 7181181 | Multi-band transceiver for a wireless communication system | Han-ll Lee | 2007-02-20 |
| 7154348 | Frequency synthesizer using a wide-band voltage controlled oscillator and a fast adaptive frequency calibration method | Han-Il Lee | 2006-12-26 |
| 7120414 | Circuit and method for receiving and mixing radio frequencies in a direct conversion receiver | Young Jin Kim | 2006-10-10 |
| 7113022 | Capacitance multiplier | Young Jin Kim, Han-Il Lee, Jae-Heon Lee | 2006-09-26 |
| 7106095 | Circuit for compensating for the declination of balanced impedance elements and a frequency mixer | Young Jin Kim, Kyung-Suc Nah, Young-Suk Son | 2006-09-12 |
| 6861911 | Self-regulating voltage controlled oscillator | Sung-Mo Kang, Bo-Eun Kim | 2005-03-01 |