Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6201911 | Apparatus for manufacturing long-period fiber gratings and apparatus for manufacturing two-band long-period fiber gratings using the same | — | 2001-03-13 |
| 6198868 | Temperature compensated long period optical fiber grating filter | — | 2001-03-06 |
| 6170297 | Jig for manufacturing long period grating filter and apparatus and method for manufacturing long period grating filter using the same | Kyung-Ho Kwack | 2001-01-09 |
| 6004703 | Amplitude mask and apparatus for manufacturing long period grating filter using the same | Kyung-Ho Kwack, Bo-Hun Choi | 1999-12-21 |
| 5999309 | Optical pulse amplifier | — | 1999-12-07 |