Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993770 | Cylindrical lithium ion secondary battery | YooEup Hyung, Jungseok Kim, Yongtae Kim | 2011-08-09 |
| 7887950 | Lithium secondary battery | Hyoungsu Kim, Soonki Woo, Yongtae Kim, Jongku Kim | 2011-02-15 |
| 7811697 | Cylindrical lithium ion secondary battery | YooEup Hyung, Seokgyun CHANG, Yongtae Kim | 2010-10-12 |
| 7722983 | Lithium ion secondary battery | Yongtae Kim, Seok-Gyun Chang, YooEup Hyung, Kyonghwan Song, Jungseog Kim | 2010-05-25 |
| 7709141 | Lithium ion secondary battery | Yongtae Kim, Seok-Gyun Chang, YooEup Hyung, Kyonghwan Song, Jungseog Kim | 2010-05-04 |