Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081552 | Hologram disc reading and writing apparatus and hologram disc reading apparatus | Ching-Cherng Sun, Yeh-Wei Yu, Che-Chih Hsu, Cheng-Hsien Chen | 2011-12-20 |
| 7978410 | Optical sheet | Jyh-Ming Chen, Chih-Jen Tsang | 2011-07-12 |