Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7099476 | Method for updating a network ciphering key | Ju-Nan Chang, Wen-Biao Lee | 2006-08-29 |
| 6782278 | Dialing method for dynamically simplifying international call in cellular phone | Chin-Tai Chuang | 2004-08-24 |
| 6751481 | Dialing method for effecting international call in intelligent cellular phone | Yung-Feng Wang | 2004-06-15 |
| 6616358 | Keyboard structure alteration method | Shun-Ping Wang | 2003-09-09 |
| 6252506 | Device for finding a position of a human | Yuan-Tai Hsieh, Chien-Min Cheng | 2001-06-26 |
| 5923886 | Automatic memory space switching method | Po-Cheng Yen | 1999-07-13 |