Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9798063 | Light guide plate and surface illumination device | Masayuki Shinohara, Norikazu Kitamura | 2017-10-24 |
| 9678264 | Light guide plate and surface light source device | Masayuki Shinohara, Norikazu Kitamura | 2017-06-13 |