Lee; Hang Rok
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lee; Hang Rok.The latest application filed is for "tag authentication apparatus and method for radio frequency identification system".
- Lee; Hang Rok - Daejeon KR
- Lee; Hang Rok - Daejeon-city KR
| Patent | Date |
|---|---|
| Method and apparatus for generating keystream Grant 7,587,046 - Chang , et al. September 8, 2 | 2009-09-08 |
| Tag authentication apparatus and method for radio frequency identification system App 20070133807 - Lee; Hang Rok ; et al. | 2007-06-14 |
| Method and apparatus for generating keystream App 20060098820 - Chang; Ku Young ; et al. | 2006-05-11 |
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