Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9990622 | Authentication and payment system and method using mobile communication terminal | Jun Won Choi, Se Hyun Oh, Myung-Sung Lee, Whan-Chul Kim | 2018-06-05 |
| 9037514 | Authentication for service server in wireless internet and settlement using the same | Jun Won Choi, Sang-Yun Lee, Myung-Sung Lee, Jae-Boo Chung | 2015-05-19 |
| 8811945 | Authentication for service server in wireless Internet and settlement using the same | Jun Won Choi, Sang-Yun Lee, Myung-Sung Lee, Jae-Boo Chung | 2014-08-19 |
| 8477016 | Method for identifying tags using adaptive binary tree splitting technique in RFID system and RFID system therefore | Kyung-Ho Seo, Won Jun Lee, Ji-Hoon Myung, Jin-Hee Yoon, Sang-Yun Lee +1 more | 2013-07-02 |
| 8028910 | Tag anti-collision RFID system and method for tag identification | Kyung-Ho Seo, Se Hyun Oh, Jin-Hee Yoon, Won Jun Lee, Ji-Hoon Myung | 2011-10-04 |
| 8013746 | Method of providing alarm service upon movement out of safety zone | Sang-Woon Kwon, Jin-Hee Yoon, Se Hyun Oh | 2011-09-06 |
| 7978148 | Quadrifilar helical antenna | Gregory A. O'Neill, Jr., Murray Fugate, Young-Min Jo, John C. Farrar, Myung-Sung Lee +4 more | 2011-07-12 |
| 7489281 | Quadrifilar helical antenna | Gregory A. O'Neill, Jr., Murray Fugate, Young-Min Jo, John C. Farrar, Myung-Sung Lee +4 more | 2009-02-10 |
| 7245268 | Quadrifilar helical antenna | Gregory A. O'Neill, Jr., Murray Fugate, Young-Min Jo, John C. Farrar, Myung-Sung Lee +4 more | 2007-07-17 |