Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890233 | Vehicle bearing detection and data processing methods applicable to vehicle navigation system | Hitoshi Ando, Takashi Kashiwazaki, Atsuhiko Fukushima | 1989-12-26 |
| 4837700 | Method and apparatus for processing data in a GPS receiving device in a road vehicle | Hitoshi Ando, Takashi Kashiwazaki, Atsuhiko Fukushima | 1989-06-06 |
| 4831563 | Method of processing output data from geomagnetic sensor | Hitoshi Ando, Takashi Kashiwazaki | 1989-05-16 |
| 4807157 | Method of displaying a map | Atsuhiko Fukushima, Takashi Kashiwazaki, Hitoshi Ando | 1989-02-21 |