Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411274 | Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program | Ryuichi Watanabe, Masafumi Minami | 2002-06-25 |