Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6728523 | Method and apparatus for stabilizing frequency of output signal of relay station in radio communication system | Takeshi Ohba | 2004-04-27 |
| 6728635 | Landmark update system and navigation device | Hiroyuki Hamada, Kiyomi Sakamoto, Teruaki Ata | 2004-04-27 |
| 6700505 | Lane guidance display method, and navigation device and recording medium for realizing the method | Kiyomi Sakamoto, Hiroyuki Hamada, Teruaki Ata | 2004-03-02 |