Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6206557 | Traffic sign with vertically movable light source | Noritoshi Sakuma, Kaoru Ishida, Takao Suzuki | 2001-03-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6206557 | Traffic sign with vertically movable light source | Noritoshi Sakuma, Kaoru Ishida, Takao Suzuki | 2001-03-27 |