Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472978 | Traffic system to prevent from accidents | Ichiro Masaki | 2002-10-29 |
| 6447696 | Grafted polymer and its production process and use | Shigeru Yamaguchi | 2002-09-10 |
| 6441102 | Amino-group-containing polymer (salt) and production process therefor | Ichimoto Akasaki, Takuya Saeki, Koichiro Saeki | 2002-08-27 |
| 6441748 | Road surface condition monitoring system using sensors disposed under the road | Ichiro Masaki | 2002-08-27 |