Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6396418 | Toll collection system, on board unit and toll collection method | — | 2002-05-28 |
| 5872525 | Toll collection system | Kazuo Fukasawa, Masato Namiki, Hideaki Kojima, Kazuyuki Hashimoto | 1999-02-16 |