Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11787448 | Hypertube transport system | Kwan Sup Lee, Young Jun Jang, Jae Hoon Kim, Chang Young LEE, Lee Hyeon KIM +5 more | 2023-10-17 |
| 11320070 | Tube infrastructure with vacuum pressure | Jae Heon Choe, Kwan Sup Lee, Su Yong CHOI, Chang Young LEE, Jin Ho Lee +4 more | 2022-05-03 |
| 7636740 | Database cache system | Hun-joo Lee, Yong Woo Jung, Bum Hyun Lim, Kwang Hyun Shim, Jin Sung Choi +2 more | 2009-12-22 |