Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8116851 | Living body measurement apparatus with waveguide light source and light extracting pattern | Jae-Geol Cho, In-Duk Hwang, Kun-kook Park | 2012-02-14 |
| 7834854 | Keypad backlighting device | — | 2010-11-16 |
| 7635819 | Keypad assembly having reflection pattern | Joo-Hoon Lee, Sun-Tae Jung | 2009-12-22 |
| 7601926 | Keypad with phosphor, keypad assembly and portable terminal | Joo-Hoon Lee | 2009-10-13 |
| 7589292 | Keypad with light guide layer, keypad assembly and portable terminal | Sun-Tae Jung, Joo-Hoon Lee | 2009-09-15 |
| 7462794 | Key pad and keypad assembly | Joo-Hoon Lee, Sun-Tae Jung, Byung-Duck Cho, Dong-Hoon Jang | 2008-12-09 |
| 7446275 | Key pad and keypad assembly | Joo-Hoon Lee, Sun-Tae Jung, Byung-Duck Cho, Dong-Hoon Jang | 2008-11-04 |
| 7411142 | Keypad with light guide layer, keypad assembly and portable terminal | Sun-Tae Jung, Joo-Hoon Lee | 2008-08-12 |
| 7378606 | Keypad and keypad assembly | Joo-Hoon Lee, Sun-Tae Jung, Byung-Duck Cho, Dong-Hoon Jang | 2008-05-27 |
| 7324727 | Planar lightwave circuit having optical filter | Jeong-Hwan Song, Se-Yoon Kim | 2008-01-29 |
| 7294803 | Key pad and keypad assembly | Joo-Hoon Lee, Sun-Tae Jung, Byung-Duck Cho, Dong-Hoon Jang | 2007-11-13 |
| 7257296 | Optical waveguide element with directional coupler | Sun-Tae Jung | 2007-08-14 |
| 7215884 | Optical demultiplexer having bragg diffration grating and optical communication module using the optical demultiplexer | Jun Mo Koo, Se-Yoon Kim | 2007-05-08 |
| 7190855 | Dual-band wavelength division multiplexer | Dong-Kyoon Han | 2007-03-13 |
| 7072541 | Bidirectional optical triplexer | Sun-Tae Jung | 2006-07-04 |
| 7006736 | Planar light wave circuit and optical performance monitoring module using the same | Joo-Hoon Lee, Dong-Su Kim | 2006-02-28 |