Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11787448 | Hypertube transport system | Kwan Sup Lee, Young Jun Jang, Jae Hoon Kim, Lee Hyeon KIM, Min Hwan Ok +5 more | 2023-10-17 |
| 11320070 | Tube infrastructure with vacuum pressure | Jae Heon Choe, Kwan Sup Lee, Su Yong CHOI, Jung Youl Lim, Jin Ho Lee +4 more | 2022-05-03 |
| 9576122 | System and method for secure data entry | — | 2017-02-21 |
| 8738908 | System and method for web-based security authentication | — | 2014-05-27 |
| 8267339 | Transfer unit having transfer rotor and food waste treatment apparatus using the same | Myung Jin Park, Dong Hee Jang | 2012-09-18 |
| 7953466 | Superconducting cable | Hyun Man Jang, Choon Dong Kim | 2011-05-31 |
| 7434267 | Method of preventing reduction of sales amount of records due to a digital music file illegally distributed through communication network | Cheol-Woong Lee | 2008-10-07 |
| 7299498 | System and method of sharing digital literary works while protecting against illegal reproduction through communication network | Cheol-Woong Lee | 2007-11-20 |
| 5931028 | Filter for a washing machine | Jung-soo Shin | 1999-08-03 |
| 5921113 | Clothes washing machine having electrolytic purifier for waste water | Hyung-Kyun Kim, Jung Soo Chin, Cheol Tae Lee | 1999-07-13 |