Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9519087 | Prismatic retroreflective sheeting with reduced retroreflectivity of infra-red light | Toshitaka Nakajima, Akira Muramoto | 2016-12-13 |
| 9110235 | Retroreflective sheeting and license plate with reduced retroreflectivity at high entrance angles | Toshitaka Nakajima, Akira Muramoto, Bruce D. Orensteen | 2015-08-18 |
| 5714223 | Retroreflective sheet and article having retroreflectiveness | Yoshinori Araki | 1998-02-03 |