Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018827 | Solid immersion lens and focusing lens, optical pickup device, and data recording/reproducing apparatus using the same | Tsutomu Ishimoto, Takao Kondo, Ariyoshi Nakaoki | 2011-09-13 |