Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12063307 | Contract apparatus and method of blockchain using location information | So Dam Song, Do Kyung Rhee, Byeong Yong Rhee | 2024-08-13 |
| 12058273 | Contract apparatus and method of blockchain using digital contents orginal key | So Dam Song, Do Kyung Rhee, Byeong Yong Rhee | 2024-08-06 |
| 11545975 | Mechanical button apparatus | Jae-Kyu Lee | 2023-01-03 |
| 11449738 | Neuromorphic memory management system and method thereof | Jae Jin Ko, In Pyo CHO, Jae-Kyu Lee | 2022-09-20 |
| 9998224 | Audio system based on in-vehicle optical network and broadcasting method thereof | Jae Jin Ko | 2018-06-12 |
| 9136945 | Vehicle communication system for visible light communication and optical networking and communication method thereof | Sang Hyun Park, Hyo Sub Choi, Chul Dong Lee | 2015-09-15 |
| 8938336 | Occupant safety system and method with optical fiber grid sheet | Sang Hyun Park, Hyo Sub Choi, Soo Young Min | 2015-01-20 |
| 8866622 | System and method for preventing drowsiness | Hyo Sub Choi, Chul Dong Lee, Sang Hyun Park | 2014-10-21 |
| 8681017 | Visible light communication apparatus for vehicle, system and method for vehicular communication inside tunnel using visible light communication | Hyo Sub Choi, Chul Dong Lee | 2014-03-25 |
| 8265120 | Parallel sequence spread spectrum type chaotic signal transmission device | Chang Soo Yang, Hyung Chul Park, Wan Cheol Yang | 2012-09-11 |
| 7953184 | Direct sampling type wireless receiver and method using the same | Chang Soo Yang, Wan Cheol Yang | 2011-05-31 |
| 7752010 | Distance measuring apparatus capable of controlling range and resolution | Wan Cheol Yang, Chang Soo Yang | 2010-07-06 |
| 7663536 | Apparatus and method for estimating distance using time of arrival | Wan Cheol Yang, Chang Soo Yang | 2010-02-16 |
| 7586293 | Digital modulation circuit | Man Suk Seo, Hyung Cheol Park, Seong-soo Lee, Chang Soo Yang, Wan Cheol Yang | 2009-09-08 |
| 7570199 | Device and method for detecting overlap of pulse signals and apparatus for estimating distance using the same | Chang Soo Yang, Min Kyoung Kwon, Seung Heon Han | 2009-08-04 |