Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11645640 | Authentication and payment system and method using mobile communication terminal | Jun Won Choi, Joo-Moon Lee, Se Hyun Oh, Whan-Chul Kim | 2023-05-09 |
| 9990622 | Authentication and payment system and method using mobile communication terminal | Jun Won Choi, Joo-Mun Lee, Se Hyun Oh, Whan-Chul Kim | 2018-06-05 |
| 9037514 | Authentication for service server in wireless internet and settlement using the same | Jun Won Choi, Joo-Mun Lee, Sang-Yun Lee, Jae-Boo Chung | 2015-05-19 |
| 8811945 | Authentication for service server in wireless Internet and settlement using the same | Jun Won Choi, Joo-Mun Lee, Sang-Yun 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, Joo-Mun Lee +1 more | 2013-07-02 |
| 7978148 | Quadrifilar helical antenna | Gregory A. O'Neill, Jr., Murray Fugate, Young-Min Jo, John C. Farrar, Se Hyun Oh +4 more | 2011-07-12 |
| 7489281 | Quadrifilar helical antenna | Gregory A. O'Neill, Jr., Murray Fugate, Young-Min Jo, John C. Farrar, Se Hyun Oh +4 more | 2009-02-10 |
| 7245268 | Quadrifilar helical antenna | Gregory A. O'Neill, Jr., Murray Fugate, Young-Min Jo, John C. Farrar, Se Hyun Oh +4 more | 2007-07-17 |
| 7042404 | Apparatus for reducing ground effects in a folder-type communications handset device | Young-Min Jo, Joo-Sik Lee, Won-Suk Jeong, Yong Gil Park, Jeong Soo Kim | 2006-05-09 |