Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421604 | Map display apparatus for motor vehicle | Takuo Koyanagi, Takashi Mori | 2002-07-16 |
| 6012014 | Map display apparatus for motor vehicle | Takuo Koyanagi, Takashi Mori | 2000-01-04 |
| 5862498 | Map display apparatus for motor vehicle | Takuo Koyanagi, Takashi Mori | 1999-01-19 |