Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9419283 | Non-aqueous lithium secondary battery containing hydrophobic, inactive particle | Ji Heon Ryu, Eun Ju Lee, HanHo Lee | 2016-08-16 |
| 9269951 | Cathode active material and lithium secondary battery containing them | Ji Heon Ryu, Min Su Kim, Jaepil Lee, Eun Ju Lee, Youngjoon Shin | 2016-02-23 |
| 9263738 | Cathode active material and lithium secondary battery containing the same | Ji Heon Ryu, Min Su Kim, Jaepil Lee, Eun Ju Lee, Youngjoon Shin | 2016-02-16 |
| 8936873 | Cathode active material and lithium secondary battery containing them | Ji Heon Ryu, Min Su Kim, Jaepil Lee, Eun Ju Lee, Youngjoon Shin | 2015-01-20 |
| 8895187 | Cathode active material and lithium secondary battery containing the same | Ji Heon Ryu, Min Su Kim, Jaepil Lee, Eun Ju Lee, Youngjoon Shin | 2014-11-25 |
| 7816033 | Cathode active material comprising mixture of lithium/manganese spinel oxide and lithium/nickel/cobalt/manganese oxide and lithium secondary battery containing same | Ji Heon Ryu, Youngjoon Shin | 2010-10-19 |
| 7700238 | Cathode active material and lithium secondary battery containing them | Ji Heon Ryu, Min Su Kim, Jaepil Lee, Eun Ju Lee, Youngjoon Shin | 2010-04-20 |
| 7670722 | Cathode active material and lithium secondary battery containing the same | Ji Heon Ryu, Min Su Kim, Jaepil Lee, Eun Ju Lee, Youngjoon Shin | 2010-03-02 |
| 7560191 | Secondary battery of improved life characteristics by elimination of metal ions | Ji Heon Ryu, Eun Ju Lee, Jaepil Lee, Jeong Hee Choi, Min Su Kim +1 more | 2009-07-14 |