Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10749205 | Method for producing positive active material precursor and positive active material for lithium secondary batteries, exhibiting concentration gradient, and positive active material precursor and positive active material for lithium secondary batteries, exhibiting concentration gradient, produced by same | Moon Ho CHOI, Jik Soo Kim, Jin Kyeong YUN, Suk Yong Jeon, Yong-Chul Sung | 2020-08-18 |
| 10714740 | Cathode active material for lithium secondary battery and lithium secondary battery comprising the same | Jik Soo Kim, Moon Ho CHOI, Jin Kyeong YUN, Suk Yong Jeon, Jong Seung SHIN | 2020-07-14 |
| 10522823 | Cathode active material for lithium secondary battery and lithium secondary battery comprising the same | Jik Soo Kim, Moon Ho CHOI, Jin Kyeong YUN, Suk Yong Jeon, Jong Seung SHIN | 2019-12-31 |
| 10483537 | Positive active material and method for producing the same | Moon Ho CHOI, Jik Soo Kim, Jin Kyeong YUN, Suk Yong Jeon, Suk Whan Lee | 2019-11-19 |
| 9837661 | Cathode active material for lithium secondary battery and lithium secondary battery comprising the same | Jik Soo Kim, Moon Ho CHOI, Jin Kyeong YUN, Suk Yong Jeon, Jong Seung SHIN | 2017-12-05 |
| 9277464 | Interworking method and device between base stations using gateway in wireless communication system of hierarchical cell structure | — | 2016-03-01 |
| 7773988 | Network entry method in wireless mobile communication system | Young-Sik Ma | 2010-08-10 |
| 7068893 | Optical fiber composite electrical power cable | Duk Jin OH, Young-Gug Kwun, In Ho Lee, Seok-Hyun Nam, Su Kil Lee +1 more | 2006-06-27 |