Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798799 | Wavelength locked integrated optical source structure using multiple microcavity | Dong-Hoon Jang, Jung-Kee Lee | 2004-09-28 |
| 6771681 | Distributed feedback semiconductor laser | Dong-Hoon Jang, Jong-In Shim | 2004-08-03 |
| 6676846 | Device and method for fabricating diffractive gratings | — | 2004-01-13 |
| 6547919 | Device and method for fabricating diffractive gratings | — | 2003-04-15 |
| 6492239 | Method for fabricating avalanche photodiode | Seung-Kee Yang | 2002-12-10 |
| 5238498 | Open tube-type impurity-diffusion apparatus for simultaneously diffusing impurities into a plurality of wafers subjected to a common environment, for producing a mass of semiconductor chips | Jun Young Kim | 1993-08-24 |
| 5163064 | Laser diode array and manufacturing method thereof | Jong-Ryeol Kim | 1992-11-10 |