Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8315614 | Method and apparatus of transmitting personal information in subscriber-based ringback tone service | Sang-Yun Lee, Hee-Hyeok Hahm, Ki Mun Kim, Jae Young Park, Soon-Ki Hwang | 2012-11-20 |
| 7809362 | Method and apparatus for providing subscriber-based ringback tone | Ki Mun Kim, Hee-Hyeok Hahm, Sang-Yun Lee | 2010-10-05 |
| 7769377 | Method for providing a tone replacing sound chosen by a subscriber in call waiting service | Ki Mun Kim, Sang-Yun Lee, Hee-Hyeok Hahm | 2010-08-03 |
| 7447496 | Method for providing subscriber-based ringback tone through a call-orginating exchanger | Hee-Hyeok Hahm, Ki Mun Kim, Sang-Yun Lee | 2008-11-04 |
| 7400882 | Method for providing a subscriber-based ringback tone sound stored in a mobile exchanger | Hee-Hyeok Hahm, Ki Mun Kim, Sang-Yun Lee, Jae Young Park | 2008-07-15 |
| 7257416 | Mobile location based service system and method | Sang-Yun Lee, Hee-Hyeok Hahm, Ki Mun Kim, Jae Young Ju | 2007-08-14 |
| 7242757 | Method for providing a subscriber-based ringback tone sound | Hee-Hyeok Hahm, Ki Mun Kim, Sang-Yun Lee, Jae Young Park | 2007-07-10 |
| 7236581 | Method for providing subscriber-based ringback tone with no progress tone | Ki Mun Kim, Sang-Yun Lee, Hee-Hyeok Hahm | 2007-06-26 |
| 7171200 | Method and apparatus for providing subscriber-based ringback tone | Ki Mun Kim, Hee Hahm, Sang-Yun Lee | 2007-01-30 |
| 7072644 | Method for providing a caller-based ringback tone sound in case of a non-subscribed called | Tae-Ho Ahn, Ok Ryul Yang, Jin Yong Choi | 2006-07-04 |