Issued Patents All Time
Showing 1–2 of 2 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, Atushi Yashiki | 1993-02-16 |
| 5058201 | Mobile telecommunications system using distributed miniature zones | Yasuhiro Ishii, Tetsuji Isogai, Tatsuhiko Okazaki, Fumikazu Sato, Hiroto Yoneyama +1 more | 1991-10-15 |