Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10406998 | Sheet for license plate, laminate for license plate, and license plate | Akira Muramoto | 2019-09-10 |
| 10365418 | Retroreflective sheet, license plate, and manufacturing method thereof | Saori Ueda, Yorinobu Takamatsu, Ken Egashira, Koji Saito | 2019-07-30 |
| 9519087 | Prismatic retroreflective sheeting with reduced retroreflectivity of infra-red light | Masami Yokoyama, Akira Muramoto | 2016-12-13 |
| 9110235 | Retroreflective sheeting and license plate with reduced retroreflectivity at high entrance angles | Masami Yokoyama, Akira Muramoto, Bruce D. Orensteen | 2015-08-18 |
| 8496339 | Transparent, wavelength-selective retroreflector | — | 2013-07-30 |
| 6120879 | Dual use reflective article | Theodore J. Szczech, Mark D. Fiegen | 2000-09-19 |
| 6048069 | Wide angle image-displaying sheet and system | Yoshiyuki Nagaoka | 2000-04-11 |
| 5818640 | Sign illumination system and method | Yoshio Watanabe, Muneo Momozawa, Satoshi Kakishita | 1998-10-06 |
| 5777790 | Microsphere-based retroreflective article | — | 1998-07-07 |
| 4652536 | Tellurite glass | Hiroji Sagara | 1987-03-24 |