Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D814196 | Toothbrush | Yeong Gil Kim | 2018-04-03 |
| 9532641 | L-shaped toothbrush | — | 2017-01-03 |
| 9368789 | Nanocomposite anode materials for sodium-ion batteries | Arumugam Manthiram, Eric Allcorn | 2016-06-14 |
| 5600201 | Electron gun for a color cathode ray tube | Neung-yong Yun, Heon Chang Kim, Han-Shin Do | 1997-02-04 |
| 5399946 | Dynamic focusing electron gun | Kwang-yun Son, Yong-Seok Song | 1995-03-21 |