Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969834 | Optical pickup device having a structure providing efficient light usage | Shinichi Hamaguchi, Naoki Nakanishi, Naoto Shimada | 2011-06-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969834 | Optical pickup device having a structure providing efficient light usage | Shinichi Hamaguchi, Naoki Nakanishi, Naoto Shimada | 2011-06-28 |