Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7525454 | Keypad assembly for a portable terminal | Joo-Hoon Lee | 2009-04-28 |
| 7495826 | Hybrid integrated optical communication module comprising silicon-rich silicon oxide optical amplifier, and method for fabricating same | — | 2009-02-24 |
| 7462794 | Key pad and keypad assembly | Joo-Hoon Lee, Kyoung-Youm Kim, Byung-Duck Cho, Dong-Hoon Jang | 2008-12-09 |
| 7446275 | Key pad and keypad assembly | Joo-Hoon Lee, Kyoung-Youm Kim, Byung-Duck Cho, Dong-Hoon Jang | 2008-11-04 |
| 7442889 | Keypad assembly | Joo-Hoon Lee | 2008-10-28 |
| 7410749 | Method of fabricating micro-lens and method of fabricating optical module using the method | Jae-Geol Cho | 2008-08-12 |
| 7411142 | Keypad with light guide layer, keypad assembly and portable terminal | Joo-Hoon Lee, Kyoung-Youm Kim | 2008-08-12 |
| 7409119 | Optical filter, manufacturing method thereof, and planar lightwave circuit using the same | Joo-Hoon Lee | 2008-08-05 |
| 7409129 | Optical fiber array module, fabrication method thereof, and portable terminal | Hyun Cheol KIM, Je-Oh Kim, Hyun-Cheual Choi, Hyun Joo Moon | 2008-08-05 |
| 7378606 | Keypad and keypad assembly | Joo-Hoon Lee, Kyoung-Youm Kim, Byung-Duck Cho, Dong-Hoon Jang | 2008-05-27 |
| 7335844 | Keypad assembly for electronic device | Joo-Hoon Lee, Byung-Duck Cho, Dong-Hoon Jang | 2008-02-26 |
| 7327912 | Wavelength division multiplexer/demultiplexer | Young-Hoon Kim, Dong-Kyoon Han | 2008-02-05 |
| 7294803 | Key pad and keypad assembly | Joo-Hoon Lee, Kyoung-Youm Kim, Byung-Duck Cho, Dong-Hoon Jang | 2007-11-13 |
| 7269322 | Optical filter, manufacturing method thereof, and planar lightwave circuit using the same | Joo-Hoon Lee | 2007-09-11 |
| 7263256 | Optical connection block, optical module, and optical axis alignment method using the same | Dong-Su Kim, Hyo-Hun Park, Byung-Sup Rho, Han-Seo Cho | 2007-08-28 |
| 7257296 | Optical waveguide element with directional coupler | Kyoung-Youm Kim | 2007-08-14 |
| 7244899 | Keypad assembly for portable terminal | Dong-Hoon Jang, Mun-Kue Park | 2007-07-17 |
| 7239767 | Packaging apparatus for optical interconnection on optical printed circuit board | Dong-Su Kim, Hyo-Hoon Park, Han-Seo Cho, Byung-Sup Rho | 2007-07-03 |
| 7218815 | Athermal arrayed waveguide grating | Jeong-Hwan Song, Kyong-Shik Lee, Oh-Dal Kwon, Myong-Won Kim, Joon-Yong Cho +3 more | 2007-05-15 |
| 7186935 | Keypad assembly for a portable terminal | Joo-Hoon Lee | 2007-03-06 |
| 7146077 | Optical coupler type filter and wavelength stabilizing apparatus of light source using the same | Se-Yoon Kim, Jeong-Hwan Song, Kyung-Shik Lee, Jong-Hoon Lim | 2006-12-05 |
| 7088891 | Optical power splitter | Oh-Dal Kwon | 2006-08-08 |
| 7072541 | Bidirectional optical triplexer | Kyoung-Youm Kim | 2006-07-04 |
| 6839477 | Wavelength-division-multiplexer/demultiplexer using parabolic horn type waveguide | Young-Hoon Kim, Dong-Kyoon Han | 2005-01-04 |
| 6757452 | Integrated heat transfer device for PLC module | Sang-Gil Shin, Seung-wan Lee, Oh-Dal Kwon | 2004-06-29 |