Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702720 | Navigation server for determining location-based advertisement effectiveness | Tadafumi Nogawa | 2017-07-11 |
| 9643089 | Game system | Ikki Ishikawa | 2017-05-09 |
| 9076335 | Navigation server | — | 2015-07-07 |
| 8831865 | Fuel efficiency information management server, fuel efficiency information management system, and fuel efficiency information management method | Koji Sengoku | 2014-09-09 |
| 8788194 | Navigation server and navigation system | Koji Sengoku, Tadafumi Nogawa | 2014-07-22 |
| 8694199 | Vehicle state monitoring server and vehicle state monitoring system | Koji Sengoku, Tadafumi Nogawa | 2014-04-08 |
| 8326525 | Navigation server | Koji Sengoku, Tadafumi Nogawa | 2012-12-04 |