Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187810 | Route guidance system for provding a mobile station with optimum route data in response to a guidance request together with base station data indicative of an identification of a base station | Hiroto Yoneyama, Toshiyuki KODAMA | 1993-02-16 |