Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5892463 | Mobile navigation system | Masayoshi Hikita | 1999-04-06 |
| 5831552 | Traffic information display unit | Katsuji Doi, Katsuro Hayami, Toshiyuki Matsuo, Ikuo Saga, Shigeki Nakane | 1998-11-03 |