Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6253154 | Method and apparatus for navigating with correction of angular speed using azimuth detection sensor | Hidekazu Oshizawa, Noboru Taniguchi | 2001-06-26 |
| 6147626 | Determination of zero-angular-velocity output level for angular velocity sensor | — | 2000-11-14 |
| 6058390 | Vehicle navigation assistance device having fast file access capability | Jeff Jyh-Min Liaw | 2000-05-02 |
| 5922042 | Automatic resumption of route guidance in vehicle navigation system | Masayuki Sekine | 1999-07-13 |
| 5912635 | Method and apparatus for calibration of a distance sensor in a vehicle navigation system | Hidekazu Oshizawa | 1999-06-15 |
| 5898390 | Method and apparatus for calibration of a distance sensor in a vehicle navigation system | Hidekazu Oshizawa | 1999-04-27 |
| 4843877 | Acceleration sensor | Takeo Kushida, Susumu Taira, Wataru Nagasaki, Hajime Muramatsu | 1989-07-04 |