Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12289051 | Switching regulator and power management integrated circuit | Jaekwan Kim, Gwangyol Noh, Hwayeal Yu | 2025-04-29 |
| 9859796 | Buck-boost converter and operating method | Dong-Jin Keum, Yus Ko, Gwang-Yol Noh, Sung Woo Moon, Min Ho Choi | 2018-01-02 |
| 9595866 | Hysteretic switching regulator including a power converting unit and a switch driving unit | Min Ho Choi, Dong-Jin Keum, Yus Ko | 2017-03-14 |
| 9128504 | Signal generation circuit, method of operating a signal generation circuit, and device for generating an output voltage | Yus Ko | 2015-09-08 |
| 8872488 | Voltage regulator including compensation circuit and memory device including voltage regulator | Dong-Il Jung | 2014-10-28 |
| 8507281 | Method of removing abnormal data and blood component spectroscopy analysis system employing the same | Jong-youn Lee | 2013-08-13 |
| 7764815 | Method of digital image analysis for isolating a region of interest within a tongue image and health monitoring method and apparatus using the tongue image | Tae Woo Kim, Jeong-Whan Lee, Sang Hoon Shin | 2010-07-27 |
| 7613486 | Method and apparatus for evaluating human stress using photoplethysmography | Hyung-sok Yeo, Jeong-Whan Lee, Hyun-tai Hwang | 2009-11-03 |
| 7572229 | Probe for use in measuring a biological signal and biological signal measuring system incorporating the probe | Hyung-sok Yeo, Hong-sig Kim | 2009-08-11 |
| 7248911 | Method and apparatus for noninvasively measuring a concentration of a blood component | Kye-jin Jeon, In-Duk Hwang, Sang-joon Han | 2007-07-24 |
| 7209775 | Ear type apparatus for measuring a bio signal and measuring method therefor | Sang Kon Bae, Jong-youn Lee | 2007-04-24 |
| 7169110 | Apparatus and method for diagnosing sleep apnea | Jong-youn Lee | 2007-01-30 |
| 7107087 | Method and apparatus for measuring a concentration of a component in a subject | In-Duk Hwang, Sang-joon Han, Kye-jin Jeon | 2006-09-12 |
| 6995931 | Temperature controlled optoelectronic device | In-Duk Hwang, Kye-jin Jeon | 2006-02-07 |
| 6990426 | Diagnostic method and apparatus using light | Hong-sig Kim, Kye-jin Jeon, Jong-youn Lee, Kun-kook Park, Su Jin Kim +1 more | 2006-01-24 |
| 6921366 | Apparatus and method for non-invasively measuring bio-fluid concentrations using photoacoustic spectroscopy | Kye-jin Jeon, In-Duk Hwang | 2005-07-26 |
| 6719702 | Apparatus and method for measuring blood pressure using linearly varying air pressure | Jong-youn Lee | 2004-04-13 |
| 6714805 | Method and apparatus for noninvasively monitoring hemoglobin concentration and oxygen saturation | Kye-jin Jeon | 2004-03-30 |
| 6625480 | Apparatus and method for measuring a concentration of a component of a target material | In-Duk Hwang | 2003-09-23 |
| 6325794 | Laser handpiece | Hong-sig Kim, Tae Min Hong, Sang Cheol Lee, Alexander Zabaznov, Alexander Ianukovitch | 2001-12-04 |
| 6101404 | Optical diagnosis point detector for noninvasive diagnosis of blood constituents and noninvasive diagnostic device | Sang Min Lee, Hong-sig Kim, Won-ky Kim | 2000-08-08 |
| 6026314 | Method and device for noninvasive measurements of concentrations of blood components | Airat K. Amerov, Kye-jin Jeon, Yoen Joo Kim | 2000-02-15 |