Issued Patents All Time
Showing 151–152 of 152 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6272124 | Complemental service providing device and method in communication system | Jae-Min Ahn, Hee-Won Kang, Young-Ky Kim | 2001-08-07 |
| 5822424 | Dial pulse detector and detecting method for paging service for mechanical telephone subscriber | Young Keun Kim, Young-Ky Kim, Jae-Min Ahn, Nam-Sun Kim | 1998-10-13 |