Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6526023 | Traffic control apparatus | Hisashi Koga, Takashi Sugino | 2003-02-25 |
| 5963541 | Traffic control apparatus | Hisashi Koga, Takashi Sugino | 1999-10-05 |
TO
Toshiaki Ohishi
Overall (All Time): #2,199,309 of 4,157,543Top 55%
2
Patents All Time