Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9726507 | Route calculation system, route calculation method, and route calculation program | Tomofumi Shibata | 2017-08-08 |
| 9696170 | Route calculation system, route calculation method, and computer program | Katsuhiko Mutsuga | 2017-07-04 |
| 9587953 | Navigation device and navigation program | Tomofumi Shibata | 2017-03-07 |