Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387566 | Battery with laminated insulator/metal/insulator case | Youn-Han Chang, Ha-Young Lee | 2002-05-14 |
YC
Young-ik Chang
Overall (All Time): #3,544,385 of 4,157,543Top 90%
1
Patents All Time