Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9166977 | Secure text-to-speech synthesis in portable electronic devices | Neil Patrick Adams | 2015-10-20 |
| 5902350 | Generating a maneuver at the intersection through a turn lane | Haruhisa Tamai | 1999-05-11 |
| 5862509 | Vehicle navigation using timed turn and timed lane restrictions | Margaret A. Sun | 1999-01-19 |
| 5731978 | Method and apparatus for enhancing vehicle navigation through recognition of geographical region types | Haruhisa Tamai, Laura White | 1998-03-24 |
| 5712788 | Incremental route calculation | Jeff Jyh-Min Liaw, Haruhisa Tamai | 1998-01-27 |
| 5515283 | Method for identifying highway access ramps for route calculation in a vehicle navigation system | Haruhisa Tamai | 1996-05-07 |
| 5319374 | Precise universal time for vehicles | James MacKnight | 1994-06-07 |