Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9449509 | Method of traffic congestion estimation | Takamasa Koshizen, Junji Eguchi | 2016-09-20 |
| 9171463 | Congestion estimation device | Takamasa Koshizen | 2015-10-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9449509 | Method of traffic congestion estimation | Takamasa Koshizen, Junji Eguchi | 2016-09-20 |
| 9171463 | Congestion estimation device | Takamasa Koshizen | 2015-10-27 |