Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7702458 | Method and apparatus for entering street name | Tatsuo Yokota, Alex Panganiban | 2010-04-20 |
| 7383125 | Navigation method and system for accurately estimating positions of street address numbers | Andrew S. de Silva, Tatsuo Yokota | 2008-06-03 |
| 7107147 | Data correction method and apparatus using key filtering function for entering data in navigation system | Ihung Tu | 2006-09-12 |