Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657554 | Road antenna controlled on the basis of receiving rate | Yoshiteru Hirano, Makoto Takemoto, Akihiro Inui | 2003-12-02 |
| 6650278 | Method and device for setting a communications area of a road antenna apparatus | Yoshiteru Hirano, Makoto Takemoto, Akihiro Inui | 2003-11-18 |
| 6646590 | Road antenna apparatus with speed determining means | Yoshiteru Hirano, Makoto Takemoto, Akihiro Inui | 2003-11-11 |