Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9014883 | In-vehicle congestion-status display system and congestion-status guidance method | Kenichi Ishiguri | 2015-04-21 |
| 8532851 | Train information display system and train information display device | Masao Oki | 2013-09-10 |