Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7873618 | Map information distribution system, map information distribution method, and computer-readable recording medium | — | 2011-01-18 |
| 7376393 | Communication control method in wireless data communication network | Takatsugu Ono, Akira Naitou, Naoto Matsushita, Reiko Hiraoka | 2008-05-20 |