Patents by David Ho Chung
The recent patents on this web page are listed in reverse chronological order. There are recent patents that do not yet appear here. I am in the process of updating this list.
- Copy protection system for portable storage media (United States Patent 6,950,941)
- Inventors: Lee; Chang-Hyi (Suwon, KR), Chung; Ho-Suk (Suwon, KR), Kang; Eun-Seong (Suwon, KR)
- Assignee: Samsung Electronics Co. Ltd. (Suwon-si, KR)
- Application No.: 09/302,431
- Filed: April 30, 1999
- User authentication system for authenticating an authorized user of an IC card (United States Patent 6,067,621)
- Inventors: Yu; Ju-Yeol (Seoul, KR), Chung; Ho-Suk (Seoul, KR), Moon; Soon-Il (Seoul, KR)
- Assignee: Samsung Electronics Co. Ltd. (Kyungki-do, KR)
- Application No.: 08/944,918
- Filed: October 06, 1997
You can e-mail me at:
hochung@usc.edu
Last update: May 15, 2007
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