Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6889134 | Communication-type navigation apparatus and server device | Atsuhiko Fukushima, Toyohiro Takenaka, Takashi Takenaga, Yuji Koga | 2005-05-03 |
| 6868334 | Map data providing apparatus, map data installing terminal device, and communication-type navigation apparatus | Motohiko Takayanagi, Toyohiro Takenaka, Atsuhiko Fukushima, Toru Fujita | 2005-03-15 |