Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10476095 | Fuel cell and method of manufacturing the same | Youjung Song, Won Jung Kim, Yeon Sik Jung | 2019-11-12 |
| 10263281 | All-solid ion battery | Ki Suk Kang, In Sang Hwang, Yeon Sik Jung, Jung Keun Yoo, Jae Beom Jeon | 2019-04-16 |
| 5488436 | Liquid crystal projector | Soon Cheol Choi | 1996-01-30 |