Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499019 | Electronic payment device using unbalanced binary tree and the method of the same | Chiung-Ying Huang, Chien-Chung Yuan, Jong-Ming Lee | 2002-12-24 |
| 6477652 | Cryptographic checksum apparatus | Pao-Yu Kuo | 2002-11-05 |