Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11996029 | Display device and power management device for supplying power to display device | Seong Sik YOON | 2024-05-28 |
| 11195491 | Power management device to minimize power consumption | Jung Min Choi, Seong Sik YOON, Jung Hyun Tark | 2021-12-07 |
| 10270095 | Lithium battery | Soon-Rewl Lee, Ick-Kyu Choi, Young-Ki Kim, Young-Hun Lee, Na Ri Park +1 more | 2019-04-23 |
| 10008922 | Switching power supply | Won Suk Jang, Young Jin Woo, Tae Kyu Nam | 2018-06-26 |
| 9991515 | Rechargeable lithium battery | Young-Ki Kim, Ick-Kyu Choi, Young-Hun Lee, Na Ri Park, Soon-Rewl Lee +1 more | 2018-06-05 |
| 9893348 | Positive active material for lithium secondary battery and lithium secondary battery | Young-Ki Kim, Young-Hun Lee, Na-Leum Yoo, Na Ri Park, Soon-Rewl Lee +2 more | 2018-02-13 |
| 9518620 | Disconnector-type clutch for rear wheel-driving device in four-wheel driving electric vehicle | — | 2016-12-13 |
| 9184443 | Cathode active material, method of preparing the cathode material, cathode, and lithium secondary battery including the same | Young-Hun Lee, Soon-Rewl Lee, Na Ri Park, Young-Ki Kim, Ick-Kyu Choi +1 more | 2015-11-10 |
| 9061577 | Driving device for rear wheels of four wheel driving electric vehicle | — | 2015-06-23 |
| 8653945 | Apparatus for managing the operation of a ship block | Tae Hyun Baek, Seung Jin Ha, Sang Hyup Lee, Byeong Yeol Lee | 2014-02-18 |
| 7361417 | Phosphor layer, image display device employing the same and method for making the phosphor layer | Byung-Heun Kang, Jong Sang Lee, Jae-Hong Lim, Seok-Hwan Cha | 2008-04-22 |
| 6103432 | Method for forming black matrix | Hyun Jin Kim, Ki Jun Kim | 2000-08-15 |
| 5679046 | Exposing method for forming fluorescent layer of color cathode ray tube and apparatus therefor | Jae-Myung Kim, Hwan-Chul Rho | 1997-10-21 |