Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9113449 | Apparatus for managing network zone having plurality of wireless access points, method of connecting mobile terminal to wireless access point by the apparatus, and the mobile terminal | — | 2015-08-18 |
| 5970114 | X-ray mask and its fabrication method | Don-Hee Lee, Ki-Chang Song, Chil Keun Park | 1999-10-19 |
| 5928816 | X-ray absorber in X-ray mask and method for manufacturing the same | Don-Hee Lee, Chil Keun Park, Ki-Chang Song, Jeong S. Lee | 1999-07-27 |
| 5824440 | Method of fabricating X-ray mask | Ki-Chang Song, Don-Hee Lee, Chil Keun Park | 1998-10-20 |
| D376147 | Combined compact disk player and radio for automobiles | — | 1996-12-03 |