Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7848602 | Waveguide structure and arrayed waveguide grating structure | Duk Jun Kim, Jung-Ho Song, Junghyung Pyo, Gyung-Ock Kim | 2010-12-07 |
| 7810952 | Method and apparatus for modulating particular light source used for laser display | Su Hwan Oh | 2010-10-12 |
| 7760974 | Silicon arrayed waveguide grating device for reducing effective refractive index variation of optical waveguide according to temperature | Duk Jun Kim, Junghyung Pyo, Gyungock Kim | 2010-07-20 |
| 7693384 | Waveguide structure | Duk Jun Kim, O-Kyun Kwon, Gyung-Ock Kim | 2010-04-06 |
| 7630602 | Optical filter module and method of manufacturing the same | Duk Jun Kim, Junghyung Pyo, Gyungock Kim | 2009-12-08 |
| 7505545 | Method for recognizing step movement sequence of control rod drive mechanism of nuclear reactor | Choon-Kyung Kim, Seog-Joo Kim, Jong-Min Cheon, Kook-Hun Kim, Soon-Man Kwon | 2009-03-17 |
| 7248765 | Temperature-insensitive polymeric optical AWG device and manufacturing method therefor | Sun Tak Park, Yong Soon Baek | 2007-07-24 |
| 7142740 | Planar lightwave circuit type optical transceiver module | Sun Tak Park, Joon Tae Ahn, Yong Soon Baek | 2006-11-28 |
| 7099072 | Direct optical modulation type wavelength converter | Joon Tae Ahn, Kyong Hon Kim | 2006-08-29 |
| 7092602 | Method of fabricating polymer waveguides for passive alignment to optical fibers in an optical module | Suntak Park, Yongsoon Baek, Joon Tae Ahn | 2006-08-15 |
| 6990283 | Polymeric optical device having low polarization dependence and method of fabricating the same | Sun Tak Park, Joon Tae Ahn, Jung Jin Ju, Myung Hyun Lee, Kyong Hon Kim | 2006-01-24 |
| 6950579 | Polarization-independent optical polymeric intensity modulator | Joon Tae Ahn, Sun Tak Park, Myung Hyun Lee, Kyong Hon Kim | 2005-09-27 |
| 6785449 | Multimode interference coupler, multi-layer optical planar waveguide using the same and method of manufacturing the same | Doo-Hee Cho, Joon Tae Ahn, Myung Hyun Lee, Kyong Hon Kim | 2004-08-31 |