Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10347122 | Road condition monitoring system | Kazuhito Takenaka, Kenji Muto, Masumi Egawa | 2019-07-09 |
| 8892593 | In-vehicle communication system | — | 2014-11-18 |
| 8805411 | Service provision system | — | 2014-08-12 |
| 8618945 | In-vehicle communication system and in-vehicle apparatus | — | 2013-12-31 |
| 8600579 | Vehicular communication system | — | 2013-12-03 |
| 8356082 | Data communication system for vehicle, on-vehicle terminal device, and center | — | 2013-01-15 |
| 7660664 | Information service system | — | 2010-02-09 |
| 7547841 | Music composition instruction system | — | 2009-06-16 |
| 7515302 | Information processing system | — | 2009-04-07 |