Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9485565 | Sound generating apparatus and electronic apparatus including the same | Gyeong-tae Lee, Dong-Kyu Park, Jong-in Jo, Seung Chan Lee, Sang-Min Hyun | 2016-11-01 |
| 9066615 | Feeding assistant robot | Won-Kyung Song, Kwang Ok An, In Ho Lee, Won Jin Song | 2015-06-30 |
| 8760200 | Gate driving apparatus | Jae Seok Choung, Gyoung-Hun Nam, Sung-Hee Kang | 2014-06-24 |
| 8737673 | Hidden speaker apparatus | Gyeong-tae Lee | 2014-05-27 |
| 8494186 | Sound plate and electronic device employing the same | Gyeong-tae Lee, Jong-in Jo | 2013-07-23 |
| 8447052 | Electronic device employing sound plate switchable between stand type and hang type | Gyeong-tae Lee, Jong-in Jo | 2013-05-21 |
| 8407467 | Ubiquitous audio reproducing and servicing method and apparatus | — | 2013-03-26 |
| 8351631 | Bass sound amplifying enclosure, woofer including the same, and electronic device including the woofer | Gyeong-tae Lee | 2013-01-08 |
| 8290185 | Method of compensating for audio frequency characteristics and audio/video apparatus using the method | — | 2012-10-16 |
| 8055007 | Earphone having variable duct unit | — | 2011-11-08 |
| 7936886 | Speaker system to control directivity of a speaker unit using a plurality of microphones and a method thereof | — | 2011-05-03 |
| 7792310 | Method and apparatus for automatically setting speaker mode in audio/video system | Jae-cheol Lee, Hae-kwang Park | 2010-09-07 |
| 7782469 | Method for determining optimal resonant length to maximize wave intensity in resonant structure | — | 2010-08-24 |
| 7372794 | Compatible optical pickup applying tilt to objective lens in proportion to radial movement of objective lens | Tae Kyung Kim, Chong-sam Chung, Young-man Ahn, Byung-in Ma, Seok-jung Kim | 2008-05-13 |
| 7324424 | Compatible optical pickup having diffractive device to correct chromatism and divergent lens to increase working distance | Tae Kyung Kim, Young-man Ahn, Chong-sam Chung, Hae-jung Suh, Jin-Kyung Lee | 2008-01-29 |
| 7289417 | Lens correcting wavefront error caused by tilt and optical pickup using same | Tae Kyung Kim, Chong-sam Chung, Young-man Ahn | 2007-10-30 |
| 7266074 | Optical disc apparatus and method of reproducing a wobble signal | Tae Kyung Kim, Young-man Ahn, Jin-Kyung Lee, Chong-sam Chung | 2007-09-04 |
| 7261906 | Anti-cancer therapy agent of arsenic hexoxide (As4O6) of a natural chemical substance and its pharmaceutical composition | Ill Ju Bae, Choong-Ki Eun, Seung-Kyu Song, Byung-Sun Suh, Kwan-Hee Lee +6 more | 2007-08-28 |
| 7209282 | Cascaded difference frequency generator using resonant structure | Jung Jin Ju, Min Su Kim, Byeong Ha Lee | 2007-04-24 |
| 7180846 | Phase compensator and compatible optical pickup using the phase compensator | Tae Kyung Kim, Young-man Ahn, Hae-jung Suh, Jin-Kyung Lee, Chong-sam Chung | 2007-02-20 |
| 7146051 | Apparatus for and method of transmitting optical signal of graphic signal | Heui-jong Kang | 2006-12-05 |
| 7072550 | Method of determining quasi-phase matching efficiency in periodically poled structure of optical waveguide, periodically poled structure of optical waveguide, and optical waveguide using the same | Jung Jin Ju, Min Su Kim | 2006-07-04 |
| 7020055 | Optical pickup apparatus | Young-man Ahn, Tatsuhiro Otsuka | 2006-03-28 |
| 6826142 | Method of and apparatus for reproducing data recorded on an optical disc | Tae Kyung Kim, Young-man Ahn, Chong-sam Chung | 2004-11-30 |
| 6807144 | Optical recording medium recordable on land and groove tracks | Tae Kyung Kim, Young-man Ahn, Chong-sam Chung, Jin-Kyung Lee, Du-seop Yoon | 2004-10-19 |