Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11762240 | Side-edge type surface light emitting apparatus having light guide plate sandwiched by upper and lower prism sheets | Yoji Oki | 2023-09-19 |
| 10684405 | Side-edge type surface light emitting apparatus having light guide plate sandwiched by upper and lower prism sheets | Yoji Oki | 2020-06-16 |
| 9626041 | Optical touch panel including vertically-arranged light emitting element and light receiving element | Masatsuna Sawada | 2017-04-18 |