Issued Patents All Time
Showing 76–100 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7372261 | Printed circuit board integrated with a two-axis fluxgate sensor and method for manufacturing the same | Won-youl Choi, Jun Sik Hwang, Myung Sam Kang | 2008-05-13 |
| 7369872 | Mobile communication device for searching data based on rotation degree and a method thereof | Woo-Jong Lee | 2008-05-06 |
| 7352177 | Three-axis fluxgate-type magnetism detecting device and method | Woo-Jong Lee | 2008-04-01 |
| 7337549 | Input device for using geomagnetic sensor and a method thereof for generating input signal | Woo-jong Cho | 2008-03-04 |
| 7295943 | Geomagnetic sensor for calibrating azimuth by compensating for an effect of tilting and method thereof | Woo-jong Cho, Sung Mun Cho | 2007-11-13 |
| 7212001 | Fluxgate sensor integrated having pick-up coil mounted on excitation coil in printed circuit board and method for manufacturing the same | Won-youl Choi, Byeong-cheon Koh, Kyung-won Na, Myung Sam Kang, Keon-Yang Park | 2007-05-01 |
| 7208947 | Fluxgate sensor integrated in a semiconductor substrate and method for manufacturing the same | Hae-seok Park, Dong-sik Shim, Kyung-won Na | 2007-04-24 |
| 7200948 | Geomagnetic sensor for detecting azimuth angle and method thereof | Woo-Jong Lee | 2007-04-10 |
| 7189638 | Method for manufacturing metal structure using trench | Dong-sik Shim, Kyung-won Na, Hae-seok Park | 2007-03-13 |
| 7181857 | Geomagnetic sensor for auto-calibration of magnetic field deviation and method of using the same | Seung-wan Lee | 2007-02-27 |
| 7168176 | Geomagnetic sensor for informing users whether detected azimuth angle is acceptable, and a method thereof | Woo-Jong Lee | 2007-01-30 |
| 7168177 | Method and apparatus for determining a geomagnetic field by using a compass and method and apparatus for determining an azimuth angle of a moving object using the same | Woong Kwon, Kyung Shik Roh, Woo Sup Han, Young Bo Shim, Ki-cheol Park | 2007-01-30 |
| 7162807 | Geomagnetic sensor having a dip angle detection function and dip angle detection method therefor | Woo-Jong Lee | 2007-01-16 |
| 7155837 | Geomagnetic sensor for detecting dip angle and method thereof | Woo-jong Cho, Seong Yun Cho, Chan-Gook Park, Woo-Jong Lee | 2007-01-02 |
| 7145332 | Magnetic field sensing device and method for fabricating thereof | Hae-seok Park, Kyung-won Na, Dong-sik Shim | 2006-12-05 |
| 7123006 | Sensing apparatus having fluxgate and control method thereof | Woo-Jong Lee, Seung-choul Song | 2006-10-17 |
| 7087450 | Fabricating method for a fluxgate sensor integrated in printed circuit board | Won-youl Choi, Keon-Yang Park, Byeong-cheon Koh, Myung Sam Kang, Kyung-won Na | 2006-08-08 |
| 7069663 | Apparatus and method of calibrating azimuth of mobile device | Woong Kwon, Kyung Shik Roh, Woo Sup Han, Young Bo Shim | 2006-07-04 |
| 7071688 | Magnetic field sensing device and method for fabricating thereof | Hae-seok Park, Kyung-won Na, Dong-sik Shim | 2006-07-04 |
| 7041526 | Magnetic field detecting element and method for manufacturing the same | Dong-sik Shim, Kyung-won Na, Hae-seok Park, Jun Sik Hwang | 2006-05-09 |
| 7015691 | Weak-magnetic field sensor using printed circuit board technology and method of manufacturing the same | Myung Sam Kang, Won-youl Choi, Jang-Kyu Kang | 2006-03-21 |
| 6998840 | Fluxgate sensor integrated having stacked magnetic cores in printed circuit board and method for manufacturing the same | Won-youl Choi, Keon-Yang Park, Byeong-cheon Koh, Myung Sam Kang, Kyung-won Na | 2006-02-14 |
| 6931323 | Apparatus and method of compensating for an attitude error of an earth magnetic sensor | Woo-jong Cho, Woo-Jong Lee, Chan-Gook Park, Seong Yun Cho | 2005-08-16 |
| 6922647 | Device and method for automatically detecting a calibration termination for a geomagnetic sensor | Woo-jong Cho | 2005-07-26 |
| 6759845 | Weak-magnetic field sensor using printed circuit board manufacturing technique and method of manufacturing the same | Myung Sam Kang, Kyoung-won Na, Won-youl Choi, Jeong-Hwan Lee, Keon-Yang Park | 2004-07-06 |