Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11744761 | Exercise apparatus for lumbar stabilization | Won Je Choi, Jong Seok Won, Hyun-bum Cho | 2023-09-05 |
| D956997 | Smartphone sterilizer | Bong Ju Lee, Keon Chang Park, Young Mi Lee, Hyuck Jun Moon, Yun Koul Ahn | 2022-07-05 |
| 11332622 | Method for preparing a carbon black of high resistivity and a carbon black of high resistivity prepared by this method | Jae Seok Lee, Su-Jin Son | 2022-05-17 |
| 10749560 | Audio apparatus and control method therefor | Jae-Won Kim, Sun-Ki Kim, Woon-hee Park, Dong-Jae Lee | 2020-08-18 |
| 10285246 | Communication device using powerline and LED lighting system using the device | Kwang Youn PARK, Sangheon Lee, Jung Ryul KIM | 2019-05-07 |
| 10191075 | Method and apparatus to detect direction and velocity of movement of equipment by using single sensor | Dong-eui Shin, Myung-won Park, Ki-oh Jung | 2019-01-29 |
| 9686835 | Fluorescent lamp-compatible LED lighting device and electric shock protection apparatus therefor | Kwang Youn PARK, Sang Heon Lee, Jung Ryul KIM, Sung-Woo Park | 2017-06-20 |
| 8014505 | Point-of-sale electronic PIN distribution system | Johng Phil Lee, Eric Moon, Sung Hyun Park, Jung Eun Lee, Aleksandr Livshits | 2011-09-06 |
| D604895 | Rod-type finger pressure device | — | 2009-11-24 |
| 7539294 | System and method for providing prepaid telecommunication services | Eric Moon, Johng Phil Lee, Taesoon Kim, Jong Phil Shin, Han Kwang Cho | 2009-05-26 |
| D566285 | Triangular patch | — | 2008-04-08 |
| 7295658 | System and method for providing prepaid telecommunication services | Eric Moon, Johng Phil Lee, Taesoon Kim, Jong Phil Shin, Han Kwang Cho | 2007-11-13 |
| 6873690 | System and method for providing prepaid telecommunication services | Eric Moon, Johng Phil Lee, Taesoon Kim, Jong Phil Shin, Han Kwang Cho | 2005-03-29 |