Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7095337 | Road traffic weather-monitoring system and self-luminous road sign system | Terumasa Sudou, Youichirou Hishigaki, Shigeki Kondou, Motonori Ogata, Masaya Yuasa | 2006-08-22 |
| 6812855 | Road traffic weather observation system and self-emission road sign system | Terumasa Sudou, Youichirou Hishigaki, Shigeki Kondou, Motonori Ogata, Masaya Yuasa | 2004-11-02 |