Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5978732 | On-vehicle path guide apparatus and path search method | Masaharu Umezu, Katsuzi Okazaki | 1999-11-02 |
| 5428545 | Vehicle guiding system responsive to estimated congestion | Shouiti Maegawa, Chisato Yoshida, Shuichi Nishikawa | 1995-06-27 |