Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699043 | Learning method and system that consider a student's concentration level | Chi Fai Ho | 2004-03-02 |
| RE38432 | Computer-aided group-learning methods and systems | Ho Chi Fai | 2004-02-24 |
| 6688888 | Computer-aided learning system and method | Chi Fai Ho | 2004-02-10 |
| 6685478 | Inexpensive computer-aided learning methods and apparatus for learners | Chi Fai Ho, John P. Del Favero, Jr. | 2004-02-03 |