Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424355 | Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program | Ryuichi Watanabe | 2002-07-23 |
| 6411274 | Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program | Ryuichi Watanabe, Hiroto Narioka | 2002-06-25 |