Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653948 | Vehicle-mounted display system and display method | Yoshimasa Kunimatsu, Chikao Nagasaka, Yoshihisa Hirano | 2003-11-25 |
| 6615132 | Navigation device | Chikao Nagasaka, Yoshimasa Kunimatsu, Toshiyuki Isogai | 2003-09-02 |
| 6529825 | Voice guidance switching device and method | Chikao Nagasaka, Yoshimasa Kunimatsu, Susumu MEGA | 2003-03-04 |