Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7947398 | Electrode for a secondary battery and secondary battery comprising the same | Soo Jin Yoon, Ho-Chun Lee | 2011-05-24 |
| 7927747 | Additives for non-aqueous electrolyte and lithium secondary battery using the same | Ho-Chun Lee, Sun Sik Shin, Hong-Kyu Park, Joo Mi Jeon | 2011-04-19 |
| 7923157 | Lithium secondary battery of improved high-temperature cycle life characteristics | Jonghwan Kim, Jisang Yu, Hochun Lee, Joomi Jeon, Yongsu Choi +1 more | 2011-04-12 |
| 7799470 | Non-aqueous-electrolyte and lithium secondary battery using the same | Sun Sik Shin, Hyang Mok Lee, Kyong Won Kang, Eun Ju KANG, Min Chul Jang +1 more | 2010-09-21 |
| 7785734 | Secondary battery having an improved safety | Sung Kyun Chang, Jae Hyun Lee, Joon Hwan Lee, Soo Hyun Ha | 2010-08-31 |
| 7759006 | Electrode active material for lithium secondary battery | Sung Kyun Chang | 2010-07-20 |
| 7754385 | Anode active material with improved electrochemical properties and electrochemical device comprising the same | Sung Kyun Chang, Hyeong Jin Kim, Sang Hoon Choy | 2010-07-13 |
| 7745040 | Safety device for preventing overcharge of secondary batteries and secondary batteries therewith | Sung Kyun Chang, Jae Hyun Lee, Joon Hwan Lee, Soo Hyun Ha | 2010-06-29 |
| 7737661 | Secondary battery having constant-voltage device | Sung Kyun Chang, Jae Hyun Lee, Joon Hwan Lee, Eui Yong Bang, Soo Hyun Ha | 2010-06-15 |
| 7629082 | Anode active material with improved electrochemical properties and electrochemical device comprising the same | Sung Kyun Chang, Hyeong Jin Kim, Sang Hoon Choy | 2009-12-08 |
| 7629073 | Safety element for battery and battery with the same | Jae Hyun Lee, Sung Kyun Chang, Min Chul Jang, Sun Sik Shin, Eui Yong Bang +2 more | 2009-12-08 |
| 7589501 | Apparatus and method for protecting secondary battery | Sung Kyun Chang, Jae Hyun Lee, Joon Hwan Lee, Soo Hyun Ha, Sang Hoon Choy | 2009-09-15 |
| 6596437 | Active material for negative electrode used in lithium-ion battery and method of manufacturing same | Sang Young Yoon, Jae-yul Lyu | 2003-07-22 |
| 6482547 | Negative active material for lithium secondary battery and lithium secondary battery using the same | Sang Young Yoon, Jae-Yul Ryu, Kyou-Yoon Sheem, Wan-Uk Choi, Sang Jin Kim | 2002-11-19 |
| 6399250 | Negative material for rechargeable lithium battery and method of preparing the same | Kyou-Yoon Sheem, Sang Young Yoon, Wan-Uk Choi | 2002-06-04 |