Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8737667 | Earphone device having biological information measuring apparatus | Min-Hyoung Lee | 2014-05-27 |
| 8463367 | Apparatus for measuring biological information and earphone having the same | — | 2013-06-11 |
| 8131347 | Optical apparatus for measuring bio-information | Jae-Geol Cho | 2012-03-06 |
| 8055319 | Sensor for measuring living body information and earphone having the same | Sun-Tae Jung, Dong-Kyoon Han, Jae-Geol Cho | 2011-11-08 |
| 8009291 | Sensor for measuring living body information and keypad assembly using the same | Dong-Kyoon Han | 2011-08-30 |
| 7588320 | Droplet ejection device and method using electrostatic field | Suk-han Lee, Han-Seo Ko, Do Young Byun, Sang-joon Han, Yong Jae Kim +2 more | 2009-09-15 |