Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7613565 | Voice navigation device and voice navigation method | Wan-Lin Cheng | 2009-11-03 |
| 7512490 | Method for reminding of entering target route | Ko-Yi Yao | 2009-03-31 |
| 7427951 | Method for updating ephemeris data of global positioning system | Ko-Yi Yao | 2008-09-23 |
| 7227497 | Method for auto-writing into address book | Ko-Yi Yao | 2007-06-05 |
| 5355296 | Switching converter and summing transformer for use therein | P. John Dhyanchand | 1994-10-11 |