Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10433049 | Sound reproducing device | Yoshinao Kato | 2019-10-01 |
| 10303047 | Optical integrator and video projection device using same | Tomoto Kawamura, Daichi Sakai, Toshiyuki TAKAIWA, Yutaka KAWAKAMI, Toshiteru Nakamura | 2019-05-28 |