Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6845202 | Optical fiber maximizing residual mechanical stress | Un-Chul Paek, Young-Joo Chung, Chang Seok Kim, Yong-Woo Park, Hyun Soo Park | 2005-01-18 |
| 6568220 | Method of fabricating optical fiber gratings maximizing residual mechanical stress in the optical fibers | Un-Chul Paek, Young-Joo Chung, Chang Seok Kim, Yong-Woo Park, Hyun Soo Park | 2003-05-27 |
| 6516112 | Optical wavelength filter and demultiplexer | Joo-Nyung Jang | 2003-02-04 |
| 6392789 | Erbium-doped optical fiber having gratings formed therein and fabrication method thereof | Un-Chul Paek, Young-Joo Chung, Chang Seok Kim, Young-Geun Han, Hyun Soo Park | 2002-05-21 |
| 6385370 | Device and method for forming anti-symmetric long period optical fiber gratings by microbending | Un-Chul Paek, Young-Joo Chung, Chang Seok Kim, Jong Ho Kim, Hyun Soo Park | 2002-05-07 |
| 6229941 | Apparatus and method of fabricating long-period fiber grating | Shin-Young Yoon, Se-Yoon Kim | 2001-05-08 |
| 6170297 | Jig for manufacturing long period grating filter and apparatus and method for manufacturing long period grating filter using the same | Joo-Nyung Jang | 2001-01-09 |
| 6004703 | Amplitude mask and apparatus for manufacturing long period grating filter using the same | Joo-Nyung Jang, Bo-Hun Choi | 1999-12-21 |