Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11266876 | Ankle muscle resistance-training apparatus | Hogene KIM, Ji Eun Cho, Joon Ho Shin, Do Hoon KOO | 2022-03-08 |
| 9722241 | Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same | Ji-Hyun Kim, Chang-Wook Kim, Yong-Chan You | 2017-08-01 |
| 9601765 | Positive active material, preparing method thereof, positive electrode for lithium secondary battery including the same, and lithium secondary battery employing the same | Yong-Chan You, Chang-Wook Kim, Sang In Park | 2017-03-21 |
| 9577258 | Method of preparing composite cathode active material, composite cathode active material, and cathode and lithium battery containing the composite cathode active material | Chang-Wook Kim, Ji-Hyun Kim | 2017-02-21 |
| 8497797 | Two-dimensional array antenna and device for detecting internal object using the same | Dae Heon LEE, Sung Hyun Kim, Ji Eun CHOI | 2013-07-30 |
| 8022051 | Composition for protection and improvement of skin, or reinforcing skin barrier function comprising phosphatidylserine | Sang-June Nam, So-Young Chung, Jeong-Jun Han, Wang-Keun Choi, Chang Seo Park +4 more | 2011-09-20 |
| 7920822 | Device for preventing eavesdropping through speaker | Kwang-Uk Chu, In Ho Hwang, Jong Kyu Kim, Dae Heon LEE | 2011-04-05 |
| D551199 | Cellular phone | Chi-Young Ahn, Chang-Hwan Hwang | 2007-09-18 |
| D509494 | Cellular phone | Chang-Hwan Hwang, Chi-Young Ahn | 2005-09-13 |
| D504406 | Portable telephone | Chang-Hwan Hwang, Chi-Young Ahn | 2005-04-26 |