Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664984 | Optical unit, projection display apparatus, imaging apparatus | Toshiteru Nakamura | 2017-05-30 |
| 9651205 | Lighting device with light shielding pattern and video display device using the same | Shoji Yamamoto, Junichi Yokoyama | 2017-05-16 |
| 9609263 | Optical unit and projective display device | Mitsuru Nagasawa, Kunikazu Onishi, Toshiteru Nakamura | 2017-03-28 |
| 9551917 | Light source unit and projection display system using same | Mitsuru Nagasawa, Kunikazu Ohnishi, Tomoto Kawamura | 2017-01-24 |