Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7272477 | Vehicle parking assisting system and method | Tetsuya Oki, Hirohiko Yanagawa | 2007-09-18 |
| 7031834 | Navigation system | Toshiyuki Ito, Katsuhiko Mutoh, Hedeki Tanino | 2006-04-18 |
| 7024307 | Map evaluation system, collation device, and map evaluation device | Toshiyuki Ito, Katsuhiko Mutoh, Hideki Tanino | 2006-04-04 |