Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11023916 | Bonus accumulation system, bonus accumulation method, and IoD-NFC terminal device therefor | — | 2021-06-01 |
| 6756123 | Anti-corrosion paint for steel with polyaniline | Jae-Mok Ha, Sung Nam Hwang, Jin-Woo Park, Woo-jin CHOI, Han Seob Song +4 more | 2004-06-29 |
| 6613301 | Method for producing nanometer-sized ultrafine titanium dioxide | Hee Dong Jang | 2003-09-02 |